参数资料
型号: ST72622L2T1
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, PQFP44
封装: TQFP-44
文件页数: 5/134页
文件大小: 815K
代理商: ST72622L2T1
ST7262
102/134
OPERATING CONDITIONS (Cont’d)
12.3.2 Operating Conditions with Low Voltage Detector (LVD)
Subject to general operating conditions for VDD,fCPU, and TA. Refer to Figure 15.
Notes:
1. Not tested, guaranteed by design.
2. The VDD rise time rate condition is needed to insure a correct device power-on and LVD reset. Not tested in production.
Symbol
Parameter
Conditions
Min
Typ 1)
Max
Unit
VIT+
Low Voltage Reset Threshold (VDD rising)
VDD Max. Variation 50V/ms
3.7
3.8
3.9
V
VIT-
Low Voltage Reset Threshold (VDD falling)
VDD Max. Variation 50V/ms
3.55
3.65
3.75
V
Vhyst
Hysteresis (VIT+ -VIT-)
120
150
180
mV
VtPOR
VDD rise time rate
2)
0.5
50
V/ms
tg(VDD)
Filtered glitch delay on VDD
1)
Not detected by the LVD
40
ns
1
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