NXP Semiconductors
12. Waveforms
HEF4555B
1-of-4 decoder/demultiplexer
VDD
nAn, nE input
GND
VOH
nYn output
VOL
0.5VM
tPHL
0.5VM
tTHL
tPLH
tTLH
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Fig 4.
Measurement points are given in Table 9.
Logic levels: VOL and VOH are typical output voltage levels that occur with the output load.
Inputs nAn and nE to output nYn propagation delays
Table 9. Measurement points
Supply voltage
VDD
5 V to 15 V
Input
VM
0.5VDD
Output
VM
0.5VDD
HEF4555B
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 18 November 2011
© NXP B.V. 2011. All rights reserved.
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