Philips Semiconductors Product data
CBT338410-bit bus switch with 5-bit output enables2001 Dec 20 5
AC WAVEFORMS
VM = 1.5 V, VIN = GND to 3.0 V
INPUT
1.5 V
OUTPUT
tPLH tPHL
SA00028
1.5 V
1.5 V 1.5 V
3 V
0 V
VOH
VOL
Waveform 1. Input (An) to Output (Yn) Propagation Delays
Output Control
(Low-level
enabling )
1.5 V
tPZH tPHZ VOH
VOL
tPZL tPLZ 3.5 V
0 V
VOL + 0.3 V
VOH – 0.3 V
SA00029
1.5 V
1.5 V 1.5 V
0 V
3 V
Output
Waveform 1
S1 at 7 V
(see Note)
Note:
Waveform 1 is for an output with internal conditions such that
the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that
the output is high except when disabled by the output control.
Output
Waveform 2
S1 at Open
(see Note)
Waveform 2. 3-State Output Enable and Disable Times
TEST CIRCUIT AND WAVEFORMS
CL = 50 pF 500 Ω
Load Circuit
DEFINITIONS
CL = Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
TEST S1
tpd open
tPLZ/tPZL 7 V
tPHZ/tPZH open
SA00012
500 Ω
From Output
Under Test
S1 7 V
Open
GND