74HC244(2016) View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

Manufacturer

74HC244
(Rev.:2016)

Octal buffer/line driver; 3-state

NXP Semiconductors. 

Nexperia

74HC244; 74HCT244

Octal buffer/line driver; 3-state

5. Pinning information

5.1 Pinning

2( 

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Fig 4. Pin configuration SO20, (T)SSOP20

5.2 Pin description

Table 2. Pin description

Symbol

1OE, 2OE

1A0, 1A1, 1A2, 1A3

2Y0, 2Y1, 2Y2, 2Y3

GND

2A0, 2A1, 2A2, 2A3

1Y0, 1Y1, 1Y2, 1Y3

VCC

Pin

1, 19

2, 4, 6, 8

3, 5, 7, 9

10

17, 15, 13, 11

18, 16, 14, 12

20

WHUPLQDO

LQGH[DUHD

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+&7

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7UDQVSDUHQWWRSYLHZ

(1) This is not a supply pin. The substrate is attached to this

pad using conductive die attach material. There is no

electrical or mechanical requirement to solder this pad.

However, if it is soldered, the solder land should remain

floating or be connected to GND.

Fig 5. Pin configuration DHVQFN20

Description

output enable input (active LOW)

data input

bus output

ground (0 V)

data input

bus output

supply voltage

74HC_HCT244

Product data sheet

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

Rev. 5 — 26 February 2016

© Nexperia B.V. 2017. All rights reserved

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