74AHCT594DB 查看數據表（PDF） - NXP Semiconductors.
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74AHCT594DB Datasheet PDF : 22 Pages
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NXP Semiconductors
74AHC594; 74AHCT594
8-bit shift register with output register
VI 90 %
tW
negative
pulse
VM
GND
10 %
tf
tr
VI
90 %
positive
pulse
VM
10 %
GND
tW
VCC
VI
G
DUT
RT
VM
tr
tf
VM
VO
CL
001aah768
For test data see Table 9.
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.
Fig 15. Load circuitry for measuring switching times
Table 9. Test data
Type
74AHC594
74AHCT594
Input
VI
VCC
3.0 V
tr, tf
≤ 3.0 ns
≤ 3.0 ns
Load
CL
15 pF, 50 pF
15 pF, 50 pF
Test
tPLH, tPHL
tPLH, tPHL
74AHC_AHCT594_2
Product data sheet
Rev. 02 — 9 June 2008
© NXP B.V. 2008. All rights reserved.
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