74hct594 NXP Semiconductors, 74hct594 Datasheet - Page 20

• Manufacturer Part Number: 74hct594
• Description: 8-bit Shift Register With Output Register
• Manufacturer: NXP Semiconductors

NXP Semiconductors
74HC_HCT594_3
Product data sheet
Table 11.
Type
74HC594
74HCT594
Fig 15. Load circuitry for measuring switching times
Test data is given in
Definitions test circuit:
R
C
R
S1 = Test selection switch
T
L
L
Test data
= Termination resistance should be equal to output impedance Z
= Load capacitance including jig and probe capacitance
= Load resistor
Input
V
V
3 V
I
CC
GENERATOR
PULSE
negative
positive
Rev. 03 — 20 December 2006
pulse
pulse
0 V
0 V
t
6 ns
6 ns
V
V
r
Table
, t
I
I
f
90 %
10 %
11.
V I
Load
C
15 pF, 50 pF
15 pF, 50 pF
L
t
t
f
r
V
V
M
M
R T
10 %
90 %
V
DUT
CC
74HC594; 74HCT594
t
t
R
1 k
1 k
W
W
L
8-bit shift register with output register
V O
S1 position
t
open
open
PHL
V
V
M
M
C L
t
t
, t
r
f
R L
PLH
o
of the pulse generator
S1
001aad983
t
GND
GND
V
PZH
CC
open
© NXP B.V. 2006. All rights reserved.
, t
PHZ
t
V
V
PZL
CC
CC
, t
20 of 26
PLZ