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ꢊ ꢅꢋꢄꢌ ꢍꢎꢏ ꢏ ꢐꢑꢀ ꢒ ꢓꢑ ꢔ ꢕꢐ ꢑ
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ꢖ ꢔꢋ ꢗ ꢘ ꢙꢀꢋꢄꢋ ꢐ ꢊ ꢎꢋ ꢚꢎ ꢋ
SCAS513E − JUNE 1995 − REVISED OCTOBER 2003
switching characteristics over recommended operating free-air temperature range,
V
= 5 V 0.5 V (unless otherwise noted) (see Figure 1)
CC
T
A
= 25°C
TYP
5
SN54AC241
SN74AC241
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
UNIT
ns
MIN
1.5
1.5
1.5
1.5
1.5
1.5
MAX
7
MIN
1
MAX
9.5
9
MIN
1
MAX
7.5
t
t
t
t
t
t
PLH
PHL
PZH
PZL
PHZ
PLZ
A
Y
Y
Y
4.5
5.5
5.5
6.5
6
7
1
1
7.5
9
1
10
1
9.5
ns
OE or OE
OE or OE
9
1
10
1
9.5
10
10
1
11.5
11.5
1
10.5
10.5
ns
1
1
operating characteristics, V
= 5 V, T = 25°C
A
CC
PARAMETER
TEST CONDITIONS
TYP
UNIT
C
Power dissipation capacitance per buffer/driver
C
= 50 pF,
L
f = 1 MHz
45
pF
pd
PARAMETER MEASUREMENT INFORMATION
2 × V
CC
TEST
S1
S1
Open
500 Ω
t
t
/t
Open
PLH PHL
/t
From Output
Under Test
t
2 × V
PLZ PZL
/t
CC
Open
PHZ PZH
C
= 50 pF
L
500 Ω
(see Note A)
Output
Control
(low-level
enabling)
V
LOAD CIRCUIT
CC
50% V
CC
50% V
CC
0 V
t
t
PLZ
PZL
V
CC
Output
≈V
CC
Input
50% V
CC
50% V
CC
Waveform 1
50% V
CC
0 V
V
+ 0.3 V
S1 at 2 × V
(see Note B)
OL
CC
V
OL
t
PLH
t
PHL
t
t
PZH
PHZ
− 0.3 V
Output
Waveform 2
S1 at Open
(see Note B)
V
OH
V
OH
V
OH
50% V
CC
50% V
Output
50% V
CC
CC
V
≈0 V
OL
VOLTAGE WAVEFORMS
VOLTAGE WAVEFORMS
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 ≤ 1 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 input transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
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5
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