Datasheet

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  
SCAS522G − AUGUST 1995 − REVISED AUGUST 2008
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V " 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
T
A
= 25°C SN54AC14 SN74AC14
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
PLH
A
Y
1.5 5 10 1.5 12 1.5 11
ns
t
PHL
A Y
1.5 5 8.5 1.5 10 1.5 9.5
ns
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance C
L
= 50 pF, f = 1 MHz 25 pF
PARAMETER MEASUREMENT INFORMATION
S1TEST
t
PLH
/t
PHL
Open
50% V
CC
t
PLH
t
PHL
t
PHL
t
PLH
V
OH
V
OH
V
OL
V
OL
50% V
CC
50% V
CC
V
CC
0 V
50% V
CC
50% V
CC
Input
(see Note B)
Out-of-Phase
Output
In-Phase
Output
50% V
CC
VOLTAGE WAVEFORMS
From Output
Under Test
C
L
= 50 pF
(see Note A)
LOAD CIRCUIT
S1
2 × V
CC
500 Ω
500 Ω
OPEN
NOTES: A. C
L
includes probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, Z
O
= 50 Ω, t
r
v 2.5 ns, t
f
v 2.5 ns
.
C. The outputs are measured one at a time with one input transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms