74HC1G125 Philips, 74HC1G125 Datasheet - Page 9

• Manufacturer Part Number: 74HC1G125
• Description: Bus buffer/line driver 3-state
• Manufacturer: Philips

Philips Semiconductors
1998 Nov 10
Bus buffer/line driver; 3-state
Definitions for test circuit;
C
(See “AC characteristics”)
R
impedance Z
R
impedance Z
L
T
T
= load capacitance including jig and probe capacitance.
= termination resistance should be equal to the output
= termination resistance should be equal to the output
o
o
of the pulse generator.
of the pulse generator.
handbook, halfpage
GENERATOR
PULSE
Fig.7 Load circuitry for switching times.
V I
R T
D.U.T.
V CC
9
V O
R L = 1 k
50 pF
C L
t
t
t
PLH
PLZ
PHZ
MNA123
74HC1G125; 74HCT1G125
/t
/t
/t
S 1
PZL
PHL
TEST
PZH
V CC
open
open
V
GND
CC
S
1
Product specification