Datasheet

74HC_HCT574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 6 — 26 January 2015 3 of 19
NXP Semiconductors
74HC574; 74HCT574
Octal D-type flip-flop; positive edge-trigger; 3-state
5. Pinning information
5.1 Pinning
Fig 3. Logic symbol Fig 4. IEC logic symbol
PQD
'
'
'
'
'
'
'
'
2(
&3
4
4
4
4
4
4
4
4









PQD








&
(1
'

Fig 5. Pin configuration DIP20 and SO20 Fig 6. Pin configuration SSOP20 and TSSOP20
+&
+&7
2( 9
&&
' 4
' 4
' 4
' 4
' 4
' 4
' 4
' 4
*1' &3
DDQ











+&
+&7
2( 9
&&
' 4
' 4
' 4
' 4
' 4
' 4
' 4
' 4
*1' &3
DDQ










