Philips CBT3384 - Manual (Page 6)

CBT3384_6 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 06 — 2 November 2009 6 of 14
NXP Semiconductors
CBT3384
10-bit bus switch with 5-bit output enables
11. Waveforms
Measurement points are given in Table 8 .
Logic levels: V
OL
and V
OH
are typical output voltage levels that occur with the output load.
Fig 5. The data input (nAn, nBn) to output (nBn, nAn) propagation delay times
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V M V M
V
M
V
M
V I
nAn, nBn input
GND
V OH
nBn, nAn output
V OL
t PHL t PLH
Measurement points are given in Table 8 .
Logic levels: V
OL
and V
OH
are typical output voltage levels that occur with the output load.
Fig 6. Enable and disable times
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t PLZ
t
PHZ
outputs
disabled
outputs
enabled
V
Y
V
X
outputs
enabled
output
LOW to OFF
OFF to LOW
output
HIGH to OFF
OFF to HIGH
nOE input
V I
3.5 V
V M V M
V
OL
V OH
GND
GND
t PZL
t PZH
V
M
V M
Table 8. Measurement points
Supply voltage Input Output
V
CC
V
I
V
M
V
M
V
X
V
Y
V
CC
= 5.0 V
±
0.5 V GND to 3.0 V 1.5 V 1.5 V V
OL
+ 0.3 V V
OH
−
0.3 V