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ST7263B Datasheet(PDF) 103 Page - STMicroelectronics

Part # ST7263B
Description  LOW SPEED USB 8-BIT MCU FAMILY WITH FLASH/ROM, UP TO 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I²C
PDF  132 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7263B Datasheet(HTML) 103 Page - STMicroelectronics

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ST7263B
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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.
Figure 52. 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
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
tPROG
Byte Programming Time
TA=25°C
330
µs
Block Programming Time (16KB)
0.8
s
tERASE
Sector Erasing Time (sector 0 ; 4KB)
2
Sector Erasing Time (sector 1 ; 4KB)
2
Sector Erasing Time (sector 2 ; 8KB)
2.5
tVPP
Internal VPP Stabilization Time
10
µs
tRET
Data Retention
TA ≤ 55°C
20
years
NRW
Write Erase Cycles
TA=25°C
100
cycles
VPP
ST72XXX
10k
Ω
PROGRAMMING
TOOL
VPP
ST72XXX



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