CBT16212 Integrated Circuit Systems, CBT16212 Datasheet - Page 5

• Manufacturer Part Number: CBT16212
• Description: 24-bit bus exchange switch with 12-bit output enables
• Manufacturer: Integrated Circuit Systems

1. This parameter is warranted but not production tested. The propagation delay is based on the RC time constant of the typical on-state
Philips Semiconductors
AC CHARACTERISTICS
GND = 0 V; t
NOTES:
AC WAVEFORMS
V
2001 Sep 28
M
Output Control
24-bit bus exchange switch with 12-bit output enables
OUTPUT
Waveform 1. Input (An) to Output (Yn) Propagation Delays
resistance of the switch and a load capacitance of 50 pF, when driven by an ideal voltage source (zero output impedance).
Waveform 1
Waveform 2
= 1.5 V, V
INPUT
S1 at Open
(see Note)
(see Note)
SYMBOL
SYMBOL
(Low-level
Waveform 2. 3-State Output Enable and Disable Times
enabling )
S1 at 7 V
Output
Output
t
t
t
t
dis
pd
en
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
R;
PZH
IN
t
PZL
C
= GND to 3.0 V
L
1.5 V
= 50 pF
t
PLH
Propagation delay
Propagation delay
Output enable time
to High and Low level
Output disable time
from High and Low level
1.5 V
1.5 V
1.5 V
1.5 V
PARAMETER
PARAMETER
t
PHZ
t
PLZ
1
1
1.5 V
1.5 V
t
PHL
V
V
OL
OH
+ 0.3 V
– 0.3 V
1.5 V
SA00029
SA00028
3 V
0 V
3.5 V
V
V
0 V
FROM (INPUT)
FROM (INPUT)
OL
OH
3 V
0 V
V
V
OH
OL
A or B
A or B
S
S
5
TEST CIRCUIT AND WAVEFORMS
(OUTPUT)
B or A
B or A
A or B
A or B
From Output
DEFINITIONS
C
Under Test
TO
L
=
C
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
L
= 50 pF
t
t
PHZ
PLZ
V
Min
3.6
4.3
TEST
—
CC
t
pd
/t
/t
PZL
PZH
= 5.0 V 0.5 V
500
Load Circuit
500
open
open
7 V
S1
Max
0 25
0.25
8.0
8.0
S1
CBT16212
7 V
GND
SA00012
Open
Product data
UNIT
UNIT
ns
ns
ns
ns