参数资料
型号: ST72511R9T3/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, PQFP64
封装: 14 X 14 MM, TQFP-64
文件页数: 40/164页
文件大小: 1043K
代理商: ST72511R9T3/XXX
ST72311R, ST72511R, ST72512R, ST72532R
134/164
OPERATING CONDITIONS (Cont’d)
12.3.2 Operating Conditions with Low Voltage Detector (LVD)
Subject to general operating condition for VDD,fOSC, and TA.
Figure 68. LVD Threshold Versus V
DD and f
OSC for ROM devices
2)
Notes:
1. LVD typical data are based on TA=25°C. They are given only as design guidelines and are not tested.
2. The minimum VDD rise time rate is needed to insure a correct device power-on and LVD reset. Not tested in production.
Symbol
Parameter
Condition s
Min
Typ 1)
Max
Unit
VIT+
Reset release threshold
(VDD rise)
3.95
4.15
4.35
V
VIT-
Reset generation threshold
(VDD fall)
3.70
3.90
4.10
Vhyst
LVD voltage threshold hysteresis
VIT+-VIT-
250
mV
VtPOR
VDD rise time rate
2)
0.02
V/ms
tg(VDD)
Filtered glitch delay on VDD
Not detected by the LVD
40
ns
fOSC [MHz]
SUPPLY VOLTAGE [V]
16
8
0
2.5
3
3.5
4
4.5
5
5.5
FUNCTI ONAL AREA
DEVICE UNDER
RESET
IN THIS AREA
FUNCTI ONALITY
NOT GUARAN TEED
IN THIS AREA
VIT-≥3.70
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