ST72334J4TC View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72334J4TC

8-bit MCU for automotive with single voltage Flash/ROM memory, ADC, 16-bit timers, SPI, SCI interfaces

STMicroelectronics 

ST72334xx-Auto, ST72314xx-Auto, ST72124Jx-Auto

15.6 MEMORY CHARACTERISTICS

15.6.1 RAM and Hardware Registers

Symbol

Parameter

VRM Data retention mode 1)

Conditions

Halt mode (or RESET)

Min

Typ

Max

Unit

1.6

V

15.6.2 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

300000

Max

Unit

20

ms

25

years

cycles

15.6.3 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 registers

(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 4 Kbytes 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.

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