74HCT573DB datasheet(4/20 Pages) NEXPERIA

No de pièce	74HCT573DB

Description	Octal D-type transparent latch; 3-state

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74HC_HCT573

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Product data sheet

Rev. 7 — 4 March 2016

4 of 20

NXP Semiconductors

74HC573; 74HCT573

Octal D-type transparent latch; 3-state

Pinning information

5.1 Pinning

5.2 Pin description

(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 SO20, SSOP20 and

TSSOP20

Fig 6.

Pin configuration DHVQFN20

Table 2.

Pin description

Symbol

Description

3-state output enable input (active LOW)

D[0:7]

2, 3, 4, 5, 6, 7, 8, 9

data input

GND

ground (0 V)

latch enable input (active HIGH)

Q[0:7]

19, 18, 17, 16, 15, 14, 13, 12

3-state latch output

VCC

supply voltage

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