Philips Semiconductors Product specification
74ALVCH1650018-bit universal bus transceiver (3-State)
1998 Sep 24
10
AC WAVEFORMS
V
CC
= 2.3 TO 2.7 V RANGE
1. V
M
= 0.5 V
2. V
X
= V
OL
+ 0.15V
3. V
Y
= V
OH
– 0.15V
4. V
I
= V
CC
5. V
OL
and V
OH
are the typical output voltage drop that occur with
the output load.
V
CC
= 3.0 TO 3.6 V RANGE AND V
CC
= 2.7 V
1. V
M
= 1.5 V
2. V
X
= V
OL
+ 0.3V
3. V
Y
= V
OH
– 0.3V
4. V
I
= 2.7 V
5. V
OL
and V
OH
are the typical output voltage drop that occur with
the output load.
SW00083
An, Bn
INPUT
V
M
t
PHL
t
PLH
V
OL
V
I
V
M
GND
V
OH
Bn, An
OUTPUT
Waveform 1. Input (An, Bn) to output (Bn, An) propagation
times
SW00084
CP
XX
INPUT
V
M
t
PHL
t
PLH
V
OL
V
I
V
M
GND
V
OH
An, Bn
OUTPUT
t
W
LE
XX
INPUT
Waveform 2. Latch enable input (LE
AB
, LE
BA
) and clock pulse
input (CP
AB
, CP
BA
) to output (An, Bn) propagation delays and
latch enable pulse width
t
PLZ
t
PZL
OE
BA
INPUT
V
CC
OUTPUT
LOW-to-OFF
OFF-to-LOW
V
OL
V
OH
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
GND
outputs
enabled
outputs
enabled
outputs
disabled
t
PHZ
V
M
V
M
V
M
t
PZH
V
X
V
Y
SW00085
OE
AB
INPUT
V
M
Waveform 3. 3-State enable and disable times
V
M
An, Bn
INPUT
V
M
t
SU
NOTE: The unshaded areas indicate when the input is permitted to change for
predictable output performance.
SW00093
t
SU
t
h
V
I
GND
V
I
GND
CP
XX
, LE
XX
INPUT
t
h
Waveform 4. Data set-up and hold times for the An and Bn
inputs to the LE
AB
, LE
BA
, CP
AB
and CP
BA
inputs
