74LVC544A 查看數據表（PDF） - NXP Semiconductors.
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74LVC544A Datasheet PDF : 19 Pages
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NXP Semiconductors
74LVC544A
Octal D-type registered transceiver; inverting; 3-state
VI
OEXX, EXX input
GND
VCC
output
LOW-to-OFF
OFF-to-LOW
VOL
VOH
output
HIGH-to-OFF
OFF-to-HIGH
GND
VM
tPLZ
tPZL
tPHZ
VX
VY
outputs
enabled
VM
tPZH
outputs
disabled
VM
outputs
enabled
001aaa788
Fig 8.
Measurement points are given in Table 8.
VOL and VOH are typical output voltage levels that occur with the output load.
3-state enable and disable times
Table 8. Measurement points
Supply voltage Input
VCC
1.2 V
1.65 V to 1.95 V
2.3 V to 2.7 V
2.7 V
VI
VCC
VCC
VCC
2.7 V
3.0 V to 3.6 V
2.7 V
VM
0.5 VCC
0.5 VCC
0.5 VCC
1.5 V
1.5 V
Output
VM
0.5 VCC
0.5 VCC
0.5 VCC
1.5 V
1.5 V
VX
VOL + 0.15 V
VOL + 0.15 V
VOL + 0.15 V
VOL + 0.3 V
VOL + 0.3 V
VY
VOH 0.15 V
VOH 0.15 V
VOH 0.15 V
VOH 0.3 V
VOH 0.3 V
74LVC544A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 18 December 2012
© NXP B.V. 2012. All rights reserved.
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