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74HC646DB 데이터시트(PDF) 3 Page - NXP Semiconductors

부품명 74HC646DB
상세설명  Octal bus transceiver/register; 3-state
PDF  12 Pages
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제조업체  PHILIPS [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC646DB 데이터시트(HTML) 3 Page - NXP Semiconductors

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September 1993
3
Philips Semiconductors
Product specification
Octal bus transceiver/register; 3-state
74HC/HCT646
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
1CPAB
A to B clock input (LOW-to-HIGH, edge-triggered)
2SAB
select A to B source input
3
DIR
direction control input
4, 5, 6, 7, 8, 9, 10, 11
A0 to A7
A data inputs/outputs
12
GND
ground (0 V)
20, 19, 18, 17, 16, 15, 14, 13
B0 to B7
B data inputs/outputs
21
OE
output enable input (active LOW)
22
SBA
select B to A source input
23
CPBA
B to A clock input (LOW-to-HIGH, edge-triggered)
24
VCC
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.



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