74AHC373D,118 데이터 시트보기 (PDF) - NXP Semiconductors.
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74AHC373D,118 Datasheet PDF : 17 Pages
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NXP Semiconductors
74AHC373; 74AHCT373
Octal D-type transparant latch; 3-state
VI
OE input
GND
VCC
Qn output
LOW- to - OFF
OFF- to - LOW
VOL
VOH
Qn output
HIGH - to - OFF
OFF- to - HIGH
GND
VM
t PLZ
t PZL
t PHZ
VX
VY
outputs
enabled
VM
t PZH
outputs
disabled
VM
outputs
enabled
mna813
Fig 9.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Enable and disable times
VI
Dn input
GND
VI
LE input
GND
VM
th
t su
VM
th
t su
mna814
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
The shaded areas indicate when the input is permitted to change for predicable output performance.
Fig 10. Data set-up and hold times
Table 8. Measurement points
Type
Input
74AHC373
VM
0.5 × VCC
74AHCT373
1.5 V
Output
VM
0.5 × VCC
0.5 × VCC
VX
VOL + 0.3 V
VOL + 0.3 V
VY
VOH − 0.3 V
VOH − 0.3 V
74AHC_AHCT373_3
Product data sheet
Rev. 03 — 20 May 2008
© NXP B.V. 2008. All rights reserved.
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