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M27C256B

  

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M27C256B [256 Kbit (32Kb × 8) UV EPROM and OTP EPROM ]

other parts : M27C256B_06  M27C256B-10B1  M27C256B-10B1TR  M27C256B-10B3  M27C256B-10B3TR  M27C256B-10B6  M27C256B-10B6TR  M27C256B-10C1  M27C256B-10C1TR  M27C256B-10C3 

ST-Microelectronics
STMicroelectronics

Summary description
The M27C256B is a 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits.
The FDIP28W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not required, the M27C256B is offered in PDIP28 and PLCC32 packages.
LButtonIn order to meet environmental requirements, ST offers the M27C256B in ECOPACK® packages.
ECOPACK packages are Lead-free. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97.
The maximum ratings related to soldering conditions are also marked on the inner box label.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.

Feature summary
■ 5V ± 10% supply voltage in Read operation
■ Access time: 45ns
■ Low power consumption:
   – Active Current 30mA at 5MHz
   – Standby Current 100µA
■ Programming voltage: 12.75V ± 0.25V
■ Programming time: 100µs/Word
■ Electronic signature
   – Manufacturer Code: 20h
   – Device Code: 8Dh
■ ECOPACK® packages available

View
M27C256B_00 [256 Kbit (32Kb x 8) UV EPROM and OTP EPROM ]

other parts : M27C256B-45K1X  M27C256B-45K1TR  M27C256B-45K3X  M27C256B-45K3TR  M27C256B-45K6X  M27C256B-45K6TR  M27C256B-45XK1X  M27C256B-45XK1TR  M27C256B-45XK3X  M27C256B-45XK3TR 

ST-Microelectronics
STMicroelectronics

DESCRIPTION
The M27C256B is a 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits.
The FDIP28W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not required, the M27C256B is offered in PDIP28, PLCC32 and TSOP28 (8 x 13.4 mm) packages.

■ 5V ± 10% SUPPLY VOLTAGE in READ OPERATION
■ ACCESS TIME: 45ns
■ LOW POWER CONSUMPTION:
   – Active Current 30mA at 5MHz
   – Standby Current 100µA
■ PROGRAMMING VOLTAGE: 12.75V ± 0.25V
■ PROGRAMMING TIME: 100µs/word
■ ELECTRONIC SIGNATURE
   – Manufacturer Code: 20h
   – Device Code: 8Dh

View
M27C256B_02 [256 Kbit (32Kb x 8) UV EPROM and OTP EPROM ]

other parts : M27C256B-10B1X  M27C256B-10B3X  M27C256B-10B6X  M27C256B-10C1X  M27C256B-10C3X  M27C256B-10C6X  M27C256B-10F1X  M27C256B-10F3X  M27C256B-10F6X  M27C256B-10N1 

ST-Microelectronics
STMicroelectronics

DESCRIPTION
The M27C256B is a 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits.
The FDIP28W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not required, the M27C256B is offered in PDIP28, PLCC32 and TSOP28 (8 x 13.4 mm) packages.

■ 5V ± 10% SUPPLY VOLTAGE in READ OPERATION
■ ACCESS TIME: 45ns
■ LOW POWER CONSUMPTION:
   – Active Current 30mA at 5MHz
   – Standby Current 100µA
■ PROGRAMMING VOLTAGE: 12.75V ± 0.25V
■ PROGRAMMING TIME: 100µs/word
■ ELECTRONIC SIGNATURE
   – Manufacturer Code: 20h
   – Device Code: 8Dh

View
M27C256B_06 [256 Kbit (32Kb × 8) UV EPROM and OTP EPROM ]

other parts : M27C256B  M27C256B-10B1  M27C256B-10B1TR  M27C256B-10B3  M27C256B-10B3TR  M27C256B-10B6  M27C256B-10B6TR  M27C256B-10C1  M27C256B-10C1TR  M27C256B-10C3 

ST-Microelectronics
STMicroelectronics

Summary description
The M27C256B is a 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits.
The FDIP28W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not required, the M27C256B is offered in PDIP28 and PLCC32 packages.
LButtonIn order to meet environmental requirements, ST offers the M27C256B in ECOPACK® packages.
ECOPACK packages are Lead-free. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97.
The maximum ratings related to soldering conditions are also marked on the inner box label.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.

Feature summary
■ 5V ± 10% supply voltage in Read operation
■ Access time: 45ns
■ Low power consumption:
   – Active Current 30mA at 5MHz
   – Standby Current 100µA
■ Programming voltage: 12.75V ± 0.25V
■ Programming time: 100µs/Word
■ Electronic signature
   – Manufacturer Code: 20h
   – Device Code: 8Dh
■ ECOPACK® packages available

View
M27C256B_98 [256 Kbit (32Kb x 8) UV EPROM and OTP EPROM ]

other parts : M27C256B-45F7X  M27C256B-45F7TR  M27C256B-45B7X  M27C256B-45B7TR  M27C256B-45C7X  M27C256B-45C7TR  M27C256B-45N7X  M27C256B-45N7TR  M27C256B-45XF7X  M27C256B-45XF7TR 

ST-Microelectronics
STMicroelectronics

DESCRIPTION
TheM27C256Bis a 256 KbitEPROMofferedin the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits.
The FDIP28W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not required, the M27C256B is offered in PDIP32, PLCC32 and TSOP28 (8 x 13.4 mm) packages.

■ 5V ± 10% SUPPLY VOLTAGE in READ OPERATION
■ FAST ACCESS TIME: 45ns
■ LOW POWER CONSUMPTION:
   – Active Current 30mA at 5MHz
   – StandbyCurrent 100µA
■ PROGRAMMING VOLTAGE: 12.75V ± 0.25V
■ PROGRAMMING TIME: 100µs/byte (PRESTO II ALGORITHM)
■ ELECTRONIC SIGNATURE
   – Manufacturer Code: 20h
   – Device Code: 8Dh

View
M27C256B-90C3 [256 Kbit (32Kb × 8) UV EPROM and OTP EPROM ]

other parts : M27C256B  M27C256B_06  M27C256B-10B1  M27C256B-10B1TR  M27C256B-10B3  M27C256B-10B3TR  M27C256B-10B6  M27C256B-10B6TR  M27C256B-10C1  M27C256B-10C1TR 

ST-Microelectronics
STMicroelectronics

Summary description
The M27C256B is a 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits.
The FDIP28W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not required, the M27C256B is offered in PDIP28 and PLCC32 packages.
LButtonIn order to meet environmental requirements, ST offers the M27C256B in ECOPACK® packages.
ECOPACK packages are Lead-free. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97.
The maximum ratings related to soldering conditions are also marked on the inner box label.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.

Feature summary
■ 5V ± 10% supply voltage in Read operation
■ Access time: 45ns
■ Low power consumption:
   – Active Current 30mA at 5MHz
   – Standby Current 100µA
■ Programming voltage: 12.75V ± 0.25V
■ Programming time: 100µs/Word
■ Electronic signature
   – Manufacturer Code: 20h
   – Device Code: 8Dh
■ ECOPACK® packages available

View
M27C256B-25F1 [256 Kbit (32Kb × 8) UV EPROM and OTP EPROM ]

other parts : M27C256B  M27C256B_06  M27C256B-10B1  M27C256B-10B1TR  M27C256B-10B3  M27C256B-10B3TR  M27C256B-10B6  M27C256B-10B6TR  M27C256B-10C1  M27C256B-10C1TR 

ST-Microelectronics
STMicroelectronics

Summary description
The M27C256B is a 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits.
The FDIP28W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not required, the M27C256B is offered in PDIP28 and PLCC32 packages.
LButtonIn order to meet environmental requirements, ST offers the M27C256B in ECOPACK® packages.
ECOPACK packages are Lead-free. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97.
The maximum ratings related to soldering conditions are also marked on the inner box label.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.

Feature summary
■ 5V ± 10% supply voltage in Read operation
■ Access time: 45ns
■ Low power consumption:
   – Active Current 30mA at 5MHz
   – Standby Current 100µA
■ Programming voltage: 12.75V ± 0.25V
■ Programming time: 100µs/Word
■ Electronic signature
   – Manufacturer Code: 20h
   – Device Code: 8Dh
■ ECOPACK® packages available

View
M27C256B-10N1 [256 Kbit (32Kb x 8) UV EPROM and OTP EPROM ]

other parts : M27C256B-10B1X  M27C256B-10B3X  M27C256B-10B6X  M27C256B-10C1X  M27C256B-10C3X  M27C256B-10C6X  M27C256B-10F1X  M27C256B-10F3X  M27C256B-10F6X  M27C256B-10N1X 

ST-Microelectronics
STMicroelectronics

DESCRIPTION
The M27C256B is a 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits.
The FDIP28W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not required, the M27C256B is offered in PDIP28, PLCC32 and TSOP28 (8 x 13.4 mm) packages.

■ 5V ± 10% SUPPLY VOLTAGE in READ OPERATION
■ ACCESS TIME: 45ns
■ LOW POWER CONSUMPTION:
   – Active Current 30mA at 5MHz
   – Standby Current 100µA
■ PROGRAMMING VOLTAGE: 12.75V ± 0.25V
■ PROGRAMMING TIME: 100µs/word
■ ELECTRONIC SIGNATURE
   – Manufacturer Code: 20h
   – Device Code: 8Dh

View
M27C256B-90C6 [256 Kbit (32Kb × 8) UV EPROM and OTP EPROM ]

other parts : M27C256B  M27C256B_06  M27C256B-10B1  M27C256B-10B1TR  M27C256B-10B3  M27C256B-10B3TR  M27C256B-10B6  M27C256B-10B6TR  M27C256B-10C1  M27C256B-10C1TR 

ST-Microelectronics
STMicroelectronics

Summary description
The M27C256B is a 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits.
The FDIP28W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not required, the M27C256B is offered in PDIP28 and PLCC32 packages.
LButtonIn order to meet environmental requirements, ST offers the M27C256B in ECOPACK® packages.
ECOPACK packages are Lead-free. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97.
The maximum ratings related to soldering conditions are also marked on the inner box label.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.

Feature summary
■ 5V ± 10% supply voltage in Read operation
■ Access time: 45ns
■ Low power consumption:
   – Active Current 30mA at 5MHz
   – Standby Current 100µA
■ Programming voltage: 12.75V ± 0.25V
■ Programming time: 100µs/Word
■ Electronic signature
   – Manufacturer Code: 20h
   – Device Code: 8Dh
■ ECOPACK® packages available

View
M27C256B-25F3 [256 Kbit (32Kb × 8) UV EPROM and OTP EPROM ]

other parts : M27C256B  M27C256B_06  M27C256B-10B1  M27C256B-10B1TR  M27C256B-10B3  M27C256B-10B3TR  M27C256B-10B6  M27C256B-10B6TR  M27C256B-10C1  M27C256B-10C1TR 

ST-Microelectronics
STMicroelectronics

Summary description
The M27C256B is a 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits.
The FDIP28W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not required, the M27C256B is offered in PDIP28 and PLCC32 packages.
LButtonIn order to meet environmental requirements, ST offers the M27C256B in ECOPACK® packages.
ECOPACK packages are Lead-free. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97.
The maximum ratings related to soldering conditions are also marked on the inner box label.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.

Feature summary
■ 5V ± 10% supply voltage in Read operation
■ Access time: 45ns
■ Low power consumption:
   – Active Current 30mA at 5MHz
   – Standby Current 100µA
■ Programming voltage: 12.75V ± 0.25V
■ Programming time: 100µs/Word
■ Electronic signature
   – Manufacturer Code: 20h
   – Device Code: 8Dh
■ ECOPACK® packages available

View
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