參數(shù)資料
型號: MSM81C55-5GS-2K
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 微控制器/微處理器
英文描述: 22 I/O, PIA-GENERAL PURPOSE, PQFP44
封裝: 0.80 MM PITCH, PLASTIC, QFP-44
文件頁數(shù): 18/19頁
文件大?。?/td> 147K
代理商: MSM81C55-5GS-2K
8/19
Semiconductor
MSM81C55-5RS/GS/JS
Timer Waveforms 2
RAM DATA HOLD CHARACTERISTICS AT LOW SUPPLY VOLTAGE
WR
tTW
tWT
TIMER IN
Timer - Start
5 V
tSU
tR
tLA
tAL
4.5 V
VCCH
ALE
0.8 V
0 V
2.2 V
CE
VCCH
Standby Mode
VCC
Two ways to place device in standby mode:
(1) Method using CE
Min.
Typ.
Data Holding Supply Voltage
VCCH
2.0
V
Data Holding Supply Current
ICCH
VIN = 0 V or VCC, ALE = 0 V
VCC = VCCH, ALE = 0
VIN = 0 V or VCC
0.05
mA
Specification
Item
Unit
Symbol
Condition
Setup Time
tSU
30
ns
Hold Time
tR
20
Max.
20
—ns
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