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74HC164 の電気的特性と機能

74HC164のメーカーはHitachiです、この部品の機能は「8-bit Parallel-out Shift Register」です。


製品の詳細 ( Datasheet PDF )

部品番号 74HC164
部品説明 8-bit Parallel-out Shift Register
メーカ Hitachi
ロゴ Hitachi ロゴ 




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74HC164 Datasheet, 74HC164 PDF,ピン配置, 機能
HD74HC164
8-bit Parallel-out Shift Register
Description
This 8-bit shift register has gated serial inputs and clear. Each register bit is a D-type master/slave flip-
flop. Inputs A & B permit complete control over the incoming data. A low at either or both inputs inhibits
entry of new data and resets the first flip-vlop to the low level at the next clock pulse. A high level on the
input enables the other input which will then determine the state of the first flip-flop. Data at the serial
inputs may be changed while the clock is high or low, but only information meeting the setup and hold time
requirements will be entered. Data is serially shifted in and out of the 8-bit register during the positive
going transition of the clock pulse. Clear is independent of the clock and accomplished by a low level at
the clear input.
Features
High Speed Operation: tpd (Clock to Q) = 14.5 ns typ (CL = 50 pF)
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: VCC = 2 to 6 V
Low Input Current: 1 µA max
Low Quiescent Supply Current: ICC (static) = 4 µA max
Function Table
Inputs
Outputs
Clear
Clock
A
B
QA QB ·········
L X X X L L ·········
H X X QAo QBo ·········
H L X L QAn ·········
H X L L QAn ·········
H H H H QAn ·········
QAo to QHo = Outputs remain unchanged.
QAn to QGn = Data shifted from the previous stage on a positive edge at the clock input.
QH
L
QHo
QGn
QGn
QGn

1 Page





74HC164 pdf, ピン配列
Logic Diagram
HD74HC164
Clock
A
B
Clear
DQ
CLR
DQ
CLR
DQ
CLR
DQ
CLR
DQ
CLR
DQ
CLR
DQ
CLR
DQ
CLR
QA QB QC QD QE QF QG QH
3


3Pages


74HC164 電子部品, 半導体
19.20
20.32 Max
14
8
1 1.30 7
2.39 Max
Unit: mm
7.62
2.54 ± 0.25
0.48 ± 0.10
0.25
+
0.10
0.05
0° – 15°
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
DP-14
Conforms
Conforms
0.97 g

6 Page



ページ 合計 : 9 ページ
 
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[ 74HC164 データシート.PDF ]


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共有リンク

Link :


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