cbt3244db NXP Semiconductors, cbt3244db Datasheet - Page 5

• Manufacturer Part Number: cbt3244db
• Description: Octal Bus Switch With Quad Output Enables
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC WAVEFORMS
V
TEST CIRCUIT AND WAVEFORMS
NOTES:
1. All input pulses are supplied by generators having the following
2. The outputs are measured one at a time with one transition per
2003 Feb 20
M
Octal bus switch with quad output enables
OUTPUT
characteristics: PRR ≤ 10MHz, Z
measurement.
= 1.5 V, V
INPUT
Waveform 1. Input to Output Propagation Delays
DEFINITIONS
C
From Output
Under Test
L
=
IN
C
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
= GND to 3.0 V
L
1.5 V
= 50 pF
t
PLH
t
t
PHZ
PLZ
TEST
1.5 V
t
pd
/t
/t
PZL
PZH
500 Ω
Load Circuit
500 Ω
O
= 50 Ω, t
open
open
7 V
S1
1.5 V
S1
t
PHL
r
≤ 2.5 ns, t
7 V
GND
SA00012
Open
1.5 V
SA00028
f
≤ 2.5 ns.
3 V
0 V
V
V
OH
OL
5
Output Control
Waveform 1
Waveform 2
S1 at Open
(see Note)
(see Note)
(Low-level
Waveform 2. 3-State Output Enable and Disable Times
S1 at 7 V
enabling )
Output
Output
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.
t
PZH
t
PZL
1.5 V
1.5 V
1.5 V
t
PHZ
t
PLZ
1.5 V
CBT3244
V
V
OL
OH
+ 0.3 V
- 0.3 V
SA00029
Product data
3 V
0 V
3.5 V
V
V
0 V
OL
OH