ꢀ ꢁꢂ ꢃꢄ ꢅ ꢆ ꢇꢈ ꢉꢂ
ꢃꢊ ꢅꢋ ꢆ ꢌ ꢊꢍꢎ ꢊꢈ ꢎ ꢏꢆ ꢐꢑ ꢒꢆꢋ ꢓ ꢒ ꢏꢔ ꢏꢕ ꢖ ꢗꢏ ꢐꢑꢒꢆ ꢋꢓ ꢒꢏ ꢔꢏꢕ
SCDS017M − MAY 1995 − REVISED JANUARY 2004
switching characteristics over recommended operating free-air temperature range, C = 50 pF
L
(unless otherwise noted) (see Figure 1)
V
= 5 V
CC
0.5 V
V
= 4 V
CC
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
UNIT
MIN
MAX
MIN
MAX
†
A or B
B or A
A
0.35
5.5
5.7
5.6
5.2
5.5
0.25
5
ns
ns
t
t
pd
1.6
1.6
1.8
1
S
S
pd
B
5.2
5.1
5
t
ns
ns
en
A or B
B
OE
S
t
dis
A or B
2.2
5.5
OE
†
The propagation delay is the calculated RC time constant of the typical on-state resistance of the switch and the specified load capacitance, when
driven by an ideal voltage source (zero output impedance).
PARAMETER MEASUREMENT INFORMATION
7 V
TEST
S1
S1
Open
GND
500 Ω
t
Open
7 V
From Output
Under Test
pd
/t
t
PLZ PZL
t
/t
Open
PHZ PZH
C
= 50 pF
L
500 Ω
(see Note A)
3 V
0 V
Output
Control
1.5 V
1.5 V
LOAD CIRCUIT
t
t
PLZ
PZL
Output
Waveform 1
S1 at 7 V
3.5 V
3 V
0 V
1.5 V
Input
V
V
+ 0.3 V
1.5 V
1.5 V
OL
V
(see Note B)
OL
OH
t
t
PHZ
PZH
t
t
PHL
PLH
Output
Waveform 2
S1 at Open
(see Note B)
V
V
OH
− 0.3 V
OH
1.5 V
Output
1.5 V
1.5 V
0 V
V
OL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
NOTES: A.
C includes probe and jig capacitance.
L
B. 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.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z = 50 Ω, t ≤ 2.5 ns, t ≤ 2.5 ns.
O
r
f
D. The outputs are measured one at a time with one transition per measurement.
E.
F.
G.
t
t
t
and t
and t
and t
PHL
are the same as t
.
dis
PLZ
PZL
PLH
PHZ
PZH
are the same as t
.
en
are the same as t .
pd
H. All parameters and waveforms are not applicable to all devices.
Figure 1. Load Circuit and Voltage Waveforms
4
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TI [ TEXAS INSTRUMENTS ]
