ST72334J4B7(2003) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72334J4B7
(Rev.:2003)

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES

STMicroelectronics 

ST72334J/N, ST72314J/N, ST72124J

16.6 MEMORY CHARACTERISTICS

16.6.1 RAM and Hardware Registers

Symbol

Parameter

VRM

Data retention mode 1)

Conditions

Min

Typ

Max

Unit

HALT mode (or RESET)

1.6

V

16.6.2 EEPROM Data Memory

Symbol

tprog

tret

NRW

Parameter

Conditions

Programming time for 1~16 bytes 3) -40°C≤TA≤+85°C

-40°C≤TA≤+125°C

Data retention 5)

TA=+55°C 4)

Write erase cycles 5)

TA=+25°C

Min

Typ

20

300 000

Max

Unit

20

ms

25

Years

Cycles

16.6.3 FLASH Program Memory

Symbol

TA(prog)

tprog

tret

NRW

Parameter

Conditions

Programming temperature range 2)

Programming time for 1~16 bytes 3) TA=+25°C

Programming time for 4 or 8kBytes

Data retention 5)

Write erase cycles 5)

TA=+25°C

TA=+55°C 4)

TA=+25°C

Min

Typ

Max

Unit

0

25

70

°C

8

25

ms

2.1

6.4

sec

20

years

100

cycles

Notes:

1. Minimum VDD supply voltage without losing data stored in RAM (in HALT mode or under RESET) or in hardware reg-

isters (only in HALT mode). Guaranteed by construction, not tested in production.

2. Data based on characterization results, tested in production at TA=25°C.

3. Up to 16 bytes can be programmed at a time for a 4kBytes FLASH block (then up to 32 bytes at a time for an 8k device)

4. The data retention time increases when the TA decreases.

5. Data based on reliability test results and monitored in production.

122/153

Share Link: