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HD74HCT245FP Datasheet

  • HD74HCT245FP

  • BUS TRANSCEIVER|SINGLE|8-BIT|HCT-CMOS|SOP|20PIN|PLASTIC

  • 8頁(yè)

  • ETC

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HD74HCT245
Octal Bus Transceivers (with 3-state outputs)
Description
This device has an active low enable input
G
and a direction control input (DIR). When DIR is high, data
flows from the A inputs to the B outputs. When DIR is low, data flows from the B inputs to the A outputs.
The HD74HCT245 transfers true data from one bus to the other.
This device does not have schmitt trigger inputs.
Features
鈥?/div>
LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility
鈥?/div>
High Speed Operation: t
pd
(A to Y) = 12 ns typ (C
L
= 50 pF)
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: V
CC
= 4.5 to 5.5 V
Low Input Current: 1 碌A(chǔ) max
Low Quiescent Supply Current: I
CC
(static) = 4 碌A(chǔ) max (Ta = 25擄C)
Function Table
Enable
G
L
L
H
H :
L :
X :
High level
Low level
Irrelevant
Direction Control DIR
L
H
X
Operation
B data to A bus
A data to B bus
Isolation

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