ST72F264G ST Microelectronics, ST72F264G Datasheet - Page 135

• Manufacturer Part Number: ST72F264G
• Description: (ST72F260G - ST72F264G) 8-BIT MCU
• Manufacturer: ST Microelectronics

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DataSheet
13.6 MEMORY CHARACTERISTICS
13.6.1 RAM and Hardware Registers
13.6.2 XFlash Program Memory
Notes:
1. Minimum V
isters (only in HALT mode). Guaranteed by construction, not tested in production.
2. Up to 32 bytes can be programmed at a time.
3. The data retention time increases when the T
4. Data based on reliability test results and monitored in production.
5. Data based on characterization results, not tested in production.
Symbol
Symbol
N
V
V
t
t
I
prog
RET
4
DD
RM
RW
DD
U
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Data retention mode
Operating voltage for Flash write/
erase
Programming time for 1~32 bytes
Programming time for 1.5kBytes
Data retention
Write erase cycles
Supply current
DD
supply voltage without losing data stored in RAM (in HALT mode or under RESET) or in hardware reg-
Parameter
Parameter
4)
1)
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2)
A
decreases.
HALT mode (or RESET)
T
T
T
T
Power down mode / HALT
f
CPU
No Read/No Write Mode
A
A
A
A
Read / Write / Erase
+25°C
+55°C
+25°C
40 to +85°C
= 8MHz, V
Conditions
Conditions
modes
3)
DD
= 5.5V
ST72260G, ST72262G, ST72264G
Min
Min
1.6
2.4
20
10
0.24
Typ
Typ
5
0
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0.1
Max
Max
0.48
2.6
100
5.5
10
5)
3)
kcycles
135/171
years
Unit
Unit
mA
ms
V
V
A
A
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