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HT95R45 датащи(PDF) 9 Page - Holtek Semiconductor Inc

номер детали HT95R45
подробное описание детали  Phone 8-Bit MCU with DTMF Receiver & CPT
PDF  76 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT95R45 датащи(HTML) 9 Page - Holtek Semiconductor Inc

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background image
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
tDH
Envelope Output Delay Time
¾
Time for high output
¾
40
¾
ms
tDI
¾
Time for low output
¾
40
¾
ms
tRD
Rejection Noise Time
¾
VSIN=Any signal, CPTENV=0
¾¾
20
ms
tST
Oscillator Start-up Time
¾¾
¾
0.8
2
sec
ZI
Input Impedance
¾
fIN=200~3.4kHz
1.0
¾¾
M
W
VREF
Reference Voltage
¾
No load
2.4
2.5
2.6
V
ZREF
Output Impedance
¾¾
¾
10
20
M
W
VIH
Logic Input High Voltage
5V
¾
3.5
¾¾
V
VIL
Logic Input Low Voltage
5V
¾¾
¾
1.5
V
IIH
Logic Input High Current
5V
VIH=0.5V
¾¾
0.1
mA
IIL
Logic Input Low Current
5V
VIL=0V
-0.1
¾¾
mA
IOH
Output High Current
5V
VOH=4.5V
¾¾
-0.5
mA
IOL
Output Low Current
5V
VOL=0.5V
2.0
¾¾
mA
ISO
Pull-down Current
5V
¾¾
25
35
mA
Power-on Reset Characteristics
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
VPOR
VDD Start Voltage to Ensure
Power-on Reset
¾¾
¾
¾
0mV
RRVDD
VDD raising rate to Ensure
Power-on Reset
¾¾
0.05
¾¾
V/ms
tPOR
Minimum Time for VDD Stays at
VPOR to Ensure Power-on Reset
¾¾
200
¾¾
ms
HT95R45
Rev. 1.00
9
March 12, 2010
T i m e
V D D
V P O R
R R V D D
t P O R



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