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ST72E331 датащи(PDF) 94 Page - STMicroelectronics

номер детали ST72E331
подробное описание детали  8-BIT MCU WITH 8 TO 16K OTP/EPROM, 256 EEPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS
PDF  107 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72E331 датащи(HTML) 94 Page - STMicroelectronics

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ST72E331 ST72T331
7.3 RESET CHARACTERISTICS
(TA=-40...+125
oC and V
DD=5V±10% unless otherwise specified.
Note:
1) These values given only as design guidelines and are not tested.
7.4 OSCILLATOR CHARACTERISTICS
(TA = -40°C to +125°C unless otherwise specified)
Symbol
Parameter
Conditions
Min
Typ 1)
Max
Unit
RON
Reset Weak Pull-up RON
VIN > VIH
VIN < VIL
20
60
40
120
80
240
k
Ω
tRESET
Pulse duration generated by watch-
dog and POR reset
1
µs
tPULSE
Minimum pulse duration to be ap-
plied on external RESET pin
10 1)
ns
Symbol
Parameter
Test Conditions
Value
Unit
Min.
Typ.
Max.
gm
Oscillator transconductance
2
9
mA/V
fOSC
Crystal frequency
1
16
MHz
tstart
Osc. start up time
VDD = 5V±10%
50
ms
94



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