NXP Semiconductors
74AHC164; 74AHCT164
8-bit serial-in/parallel-out shift register
VI
CP input
GND
VI
DSA, DSB input
GND
VM
t su
th
VM
t su
th
VOH
Qn output
VOL
VM
001aaf612
Fig 9.
Measurement points are given in Table 8.
The shaded areas indicate when the input is permitted to change for predictable output performance.
VOL and VOH are typical voltage output levels that occur with the output load.
Data set-up and hold times
Table 8. Measurement points
Type
74AHC164
74AHCT164
Input
VM
0.5 × VCC
1.5 V
Output
VM
0.5 × VCC
0.5 × VCC
74AHC_AHCT164_3
Product data sheet
Rev. 03 — 24 April 2008
© NXP B.V. 2008. All rights reserved.
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