74HC7403 データシートの表示（PDF） - NXP Semiconductors.

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74HC7403

4-bit x 64-word FIFO register; 3-state

NXP Semiconductors. 

NXP Semiconductors

74HC7403; 74HCT7403

4-bit x 64-word FIFO register; 3-state

6. Pinning information

6.1 Pinning

Fig 5. Pin configuration

+&

+&7

2( 

',5 

6, 

' 

' 

' 

' 

*1' 

 9&&

 62

 '25

 4

 4

 4

 4

 05

PJD

6.2 Pin description

Table 2. Pin description

Symbol Pin

OE

1

DIR

2

SI

3

D0 to D3 4, 5, 6, 7

GND

8

MR

9

Q0 to Q3 13, 12, 11, 10

DOR

14

SO

15

VCC

16

Description

output enable input (active LOW)

data-in-ready output

shift-in input (active HIGH)

parallel data input

ground (0 V)

asynchronous master-reset input (active LOW)

data output

data-out-ready output

shift-out input (active LOW)

supply voltage

74HC_HCT7403

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 4 — 24 September 2012

© NXP B.V. 2012. All rights reserved.

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