cbtd3257 NXP Semiconductors, cbtd3257 Datasheet - Page 5

• Manufacturer Part Number: cbtd3257
• Description: Quad 1-of-2 Multiplexer/demultiplexer With Level Shifting
• Manufacturer: NXP Semiconductors

1. The propagation delay is the calculated RC time constant of the typical on-state resistance of the switch and the specified load capacitance,
1. t
2. t
3. t
Philips Semiconductors
AC CHARACTERISTICS
T
NOTE:
AC WAVEFORMS
V
NOTES:
2002 Sep 09
amb
M
Output Control
Quad 1-of-2 multiplexer/demultiplexer
with level shifting
OUTPUT
when driven by an ideal voltage source (zero output impedance).
Waveform 1
Waveform 2
SYMBOL
= 1.5 V, V
INPUT
S1 at Open
PLZ
PZL
PLH
(see Note)
(see Note)
(Low-level
= –40 to +85 C; C
Waveform 2. 3-State Output Enable and Disable Times
enabling )
S1 at 7 V
t
t
t
t
t
t
dis
Output
Output
pd
pd
en
and t
and t
Waveform 1. Input to Output Propagation Delays
and t
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
PHZ
PZH
PZH
PHL
IN
t
PZL
= GND to 3.0 V
1.5 V
are the same as t
are the same as t
are the same as t
Propagation delay
Propagation delay
Output enable time
to High and Low level
Output disable time
from High and Low level
t
PLH
1.5 V
L
= 50 pF
1.5 V
1.5 V
1.5 V
PARAMETER
dis
en
pd
1
t
PHZ
t
.
.
.
PLZ
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
OL
OH
FROM (INPUT)
3 V
0 V
V
V
OH
OL
A or B
OE
OE
S
S
S
5
1. All input pulses are supplied by generators having the following
2. The outputs are measured one at a time with one transition per
TEST CIRCUIT AND WAVEFORMS
NOTES:
characteristics: PRR
measurement.
(OUTPUT)
(OUTPUT)
From Output
DEFINITIONS
C
Under Test
B or A
A or B
A or B
L
TO
TO
=
A
B
B
C
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
L
= 50 pF
t
t
PHZ
10 MHz, Z
PLZ
TEST
V
MIN
t
1.6
1.8
1.6
2.2
2.0
pd
/t
/t
—
CC
PZL
PZH
500
Load Circuit
= +5.0 V 0.5 V
500
LIMITS
O
= 50 , t
open
open
7 V
S1
S1
MAX
0.25
10.8
11.0
11.2
6.0
8.0
CBTD3257
r
7 V
GND
SA00012
2.5 ns, t
Open
Preliminary data
f
UNIT
ns
ns
ns
ns
ns
ns
2.5 ns.