参数资料
型号: ST7263BK1B/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32
封装: 0.400 INCH, LEAD FREE, SHRINK, PLASTIC, DIP-32
文件页数: 14/140页
文件大小: 1423K
代理商: ST7263BK1B/XXX
ST7263B
110/140
13.6 MEMORY CHARACTERISTICS
Subject to general operating conditions for fCPU, and TA unless otherwise specified.
13.6.1 RAM and Hardware Registers
Note:
1. Guaranteed by design. Not tested in production.
13.6.2 Flash Memory
Operating Conditions: fCPU = 8 MHz.
Note:
1. Refer to the Flash Programming Reference Manual for the typical HDFlash programming and erase timing values.
Figure 55. Two typical Applications with VPP Pin
1)
Note:
1. When the ICP mode is not required by the application, VPP pin must be tied to VSS.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VRM
Data retention mode 1)
HALT mode (or RESET)
2.0
V
DUAL VOLTAGE FLASH MEMORY 1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fCPU
Operating Frequency
Read mode
8
MHz
Write / Erase mode,
TA=25°C
8
VPP
Programming Voltage
4.0V
≤V
DD ≤ 5.5V
11.4
12.6
V
IPP
VPP Current
Write / Erase
30
mA
tVPP
Internal VPP Stabilization Time
10
s
tRET
Data Retention
TA ≤ 85°C
40
years
NRW
Write Erase Cycles
TA=25°C
100
cycles
VPP
ST72XXX
10k
PROGRAMMING
TOOL
VPP
ST72XXX
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