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74HC_HCT573_15 Datasheet, PDF (4/21 Pages) NXP Semiconductors – Octal D-type transparent latch; 3-state
NXP Semiconductors
74HC573; 74HCT573
Octal D-type transparent latch; 3-state
5. Pinning information
5.1 Pinning
2( 
' 
' 
' 
' 
' 
' 
' 
' 
*1' 
+&
+&7
 9&&
 4
 4
 4
 4
 4
 4
 4
 4
 /(
DDH
Fig 5. Pin configuration DIP20, SO20, SSOP20 and
TSSOP20
WHUPLQDO
LQGH[DUHD
+&
+&7
' 
' 
' 
' 
' 
' 
' 
' 
*1' 
 4
 4
 4
 4
 4
 4
 4
 4
DDH
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 6. Pin configuration DHVQFN20
5.2 Pin description
Table 2.
Symbol
OE
D[0:7]
GND
LE
Q[0:7]
VCC
Pin description
Pin
Description
1
3-state output enable input (active LOW)
2, 3, 4, 5, 6, 7, 8, 9
data input
10
ground (0 V)
11
latch enable input (active HIGH)
19, 18, 17, 16, 15, 14, 13, 12 3-state latch output
20
supply voltage
74HC_HCT573
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 26 January 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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