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: 9/140页
文件大小: 1423K
代理商: ST7263BK1B/XXX
ST7263B
106/140
13.3 OPERATING CONDITIONS
13.3.1 General Operating Conditions
Figure 50. fCPU Maximum Operating Frequency Versus VDD Supply Voltage
13.3.2 Operating Conditions with Low Voltage Detector (LVD)
Subject to general operating conditions for VDD, fCPU, and TA. Refer to Figure 11 on page 20.
Notes:
1. The VDD rise time rate condition is needed to insure a correct device power-on and LVD reset. Not tested in production.
2. Guaranteed by characterization - not tested in production
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDD
Operating Supply Voltage
fCPU = 8 MHz
45
5.5
V
VDDA
Analog reference voltage
VDD
VSSA
Analog reference voltage
VSS
fCPU
Operating frequency
fOSC = 24 MHz
8
MHz
fOSC = 12 MHz
4
TA
Ambient temperature range
070
°C
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIT+
Low Voltage Reset Threshold (VDD rising) VDD Max. Variation 50V/ms
3.4
3.7
4.0
V
VIT-
Low Voltage Reset Threshold (VDD falling) VDD Max. Variation 50V/ms
3.2
3.5
3.8
V
Vhyst
Hysteresis (VIT+ - VIT-)
2)
100
175
220
mV
VtPOR
VDD rise time rate
1)
0.5
50
V/ms
fCPU [MHz]
SUPPLY VOLTAGE [V]
8
4
2
0
2.5
3.0
3.5
4
4.5
5
5.5
FUNCTIONALITY
GUARANTEED
FROM 4 TO 5.5 V
NOT GUARANTEED
IN THIS AREA
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