74HC166N データシートの表示（PDF） - NXP Semiconductors.
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74HC166N Datasheet PDF : 21 Pages
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NXP Semiconductors
74HC166; 74HCT166
8-bit parallel-in/serial out shift register
Table 8. Measurement points
Type
Input
VI
74HC166
VCC
74HCT166
3V
VM
0.5VCC
1.3 V
Output
VM
0.5VCC
1.3 V
tW
VI 90 %
negative
pulse
VM
10 %
0V
tf
VI
positive
pulse
tr
90 %
VM
10 %
0V
tW
VM
tr
tf
VM
VI
G
VCC
VO
DUT
RT
VCC
RL S1
CL
open
001aad983
Test data is given in Table 10.
Definitions for test circuit:
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
CL = Load capacitance including jig and probe capacitance.
RL = Load resistance.
S1 = Test selection switch
Fig 10. Test circuit for measuring switching times
Table 9. Test data
Type
Input
74HC166
74HCT166
VI
tr, tf
VCC
6 ns
3V
6 ns
Load
CL
15 pF, 50 pF
15 pF, 50 pF
RL
1 k
1 k
S1 position
tPHL, tPLH
open
open
74HC_HCT166
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 11 September 2013
© NXP B.V. 2013. All rights reserved.
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