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74HC258 Datasheet, PDF (7/14 Pages) NXP Semiconductors – Quad 2-input multiplexer; 3-state; inverting
NXP Semiconductors
11. Waveforms
74HC258
Quad 2-input multiplexer; 3-state; inverting
VI
S, nI0, nI1
input
GND
VOH
nY output
VOL
VM
tPHL
VM
tTHL
tPLH
tTLH
001aab970
Fig 6.
Measurement points are given in Table 8.
VOL and VOH are typical output voltage levels that occur with the output load.
Input (nI0, nI1 and S) to output (nY) propagation delays and output transition times
VI
OE input
GND
output
LOW to OFF
OFF to LOW
output
HIGH to OFF
OFF to HIGH
VCC
VOL
VOH
GND
tr
tf
VM
tPLZ
tPZL
tPHZ
VX
VY
VM
tPZH
VM
outputs
enabled
outputs
disabled
outputs
enabled
001aab971
Fig 7.
Measurement points are given in Table 8.
VOL and VOH are typical output voltage levels that occur with the output load.
Enable and disable times
Table 8. Measurement points
Input
Output
VM
0.5 × VCC
VM
0.5 × VCC
VX
0.1 × VCC
VY
0.9 × VCC
74HC258_4
Product data sheet
Rev. 04 — 14 April 2008
© NXP B.V. 2008. All rights reserved.
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