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| 74HC164 Datasheet, PDF (11/20 Pages) NXP Semiconductors – 8-bit serial-in/parallel-out shift register | |||
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NXP Semiconductors
74HC164; 74HCT164
8-bit serial-in, parallel-out shift register
VI 90 %
negative
pulse
GND
VI
positive
pulse
10 %
GND
VM
10 %
tf
tr
90 %
VM
VI
G
RT
tW
tW
VCC
DUT
VM
tr
tf
VM
VO
CL
001aah768
Test data is given in Table 9.
Definitions test circuit:
RT = termination resistance should be equal to output impedance Zo of the pulse generator.
CL = load capacitance including jig and probe capacitance.
Fig 10. Test circuit for measuring switching times
Table 9. Test data
Type
74HC164
74HCT164
Input
VI
VCC
3.0 V
tr, tf
6.0 ns
6.0 ns
Load
CL
15 pF, 50 pF
15 pF, 50 pF
Test
tPLH, tPHL
tPLH, tPHL
74HC_HCT164_4
Product data sheet
Rev. 04 â 2 February 2010
© NXP B.V. 2010. All rights reserved.
11 of 20
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