參數(shù)資料
型號(hào): MC74AC646N
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (NON-INVERTING)
中文描述: AC SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDIP24
封裝: 0.300 INCH, PLASTIC, DIP-24
文件頁(yè)數(shù): 8/9頁(yè)
文件大?。?/td> 242K
代理商: MC74AC646N
MC74AC646 MC74ACT646
5-8
FACT DATA
AC OPERATING REQUIREMENTS
Symbol
Parameter
(V)
74ACT
74ACT
Unit
No.
VCC*
TA = +25
°
C
CL = 50 pF
TA = –40
°
C
to +85
°
C
CL = 50 pF
Fig.
Typ
Guaranteed Minimum
ts
Setup Time, HIGH or LOW
Bus to Clock
5.0
7.0
8.0
ns
3-9
th
Hold Time, HIGH or LOW
Bus to Clock
5.0
2.5
2.5
ns
3-9
tw
Clock Pulse Width
HIGH or LOW
5.0
7.0
8.0
ns
3-6
* Voltage Range 5.0 V is 5.0 V
±
0.5 V.
CAPACITANCE
Symbol
Parameter
Value
Typ
Unit
Test Conditions
CIN
Input Capacitance
4.5
pF
VCC = 5.0 V
CI/O
Input/Output Capacitance
15
pF
VCC = 5.0 V
CPD
Power Dissipation Capacitance
60
pF
VCC = 5.0 V
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