Datasheet


    
SLIS005B − APRIL 1993 − REVISED MAY 2005
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
TEST CIRCUIT
5 V
V
CC
DRAIN
LGND
SRCLR
SER IN
R
L
= 68 Ω
C
L
= 30 pF
(see Note B)
VOLTAGE WAVEFORMS
G
Output
SRCK
RCK
Word
Generator
(see Note A)
76543210
5 V
SRCK
5 V
G
5 V
SER IN
RCK
SRCLR
5 V
5 V
DUT
PGND
24 V
DRAIN 1, 2, 5, 6
24 V
0 V
0 V
0 V
0.5 V
0 V
0 V
I
D
24 V
DRAIN 0, 3, 4, 7
0.5 V
NOTES: A. The word generator has the following characteristics: t
r
≤ 10 ns, t
f
≤ 10 ns, t
w
= 300 ns, pulsed repetition rate (PRR) = 5 kHz,
Z
O
= 50 Ω.
B. C
L
includes probe and jig capacitance.
Figure 1. Resistive Load Operation
TEST CIRCUIT
SWITCHING TIMES
G
5 V
50%
24 V
0.5 V
90%
10%
t
PLH
t
r
50%
90%
10%
t
PHL
t
f
SRCK
5 V
50%
SER IN
5 V
50%
50%
t
su
t
h
t
w
INPUT SETUP AND HOLD WAVEFORMS
5 V 24 V
V
CC
DRAIN
LGND
SRCLR
SER IN
R
L
= 68 Ω
C
L
= 30 pF
(see Note B)
G
Output
SRCK
RCK
DUT
PGND
Output
Word
Generator
(see Note A)
0 V
0 V
0 V
I
D
NOTES: A. The word generator has the following characteristics: t
r
≤ 10 ns, t
f
≤ 10 ns, t
w
= 300 ns, pulsed repetition rate (PRR) = 5 kHz,
Z
O
= 50 Ω.
B. C
L
includes probe and jig capacitance.
Figure 2. Test Circuit, Switching Times, and Voltage Waveforms