74hct2g125 NXP Semiconductors, 74hct2g125 Datasheet - Page 11

• Manufacturer Part Number: 74hct2g125
• Description: Dual Buffer/line Driver; 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Mar 03
handbook, full pagewidth
handbook, full pagewidth
Dual buffer/line driver; 3-state
For 74HC2G125: V
For 74HCT2G125: V
t
t
t
PLH
PLZ
PHZ
/t
/t
/t
TEST
PZL
PHL
PZH
M
M
= 50%; V
= 1.3 V; V
open
V
GND
CC
I
= GND to V
HIGH-to-OFF
OFF-to-HIGH
S
I
LOW-to-OFF
OFF-to-LOW
= GND to 3.0 V.
1
nOE input
GENERATOR
output
output
PULSE
CC
GND
GND
Fig.6 The 3-state enable and disable times.
V OH
.
V CC
V OL
V I
Fig.7 Load circuitry for switching times.
Definitions for test circuit:
C
R
R
L
L
T
= load capacitance including jig and probe capacitance (see “AC characteristics”).
= Load resistance.
= termination resistance should be equal to the output impedance Z
V I
V M
enabled
outputs
R T
t PLZ
t PHZ
D.U.T.
V CC
11
V X
V Y
V O
disabled
outputs
C L
MNA232
R L =
1000
74HC2G125; 74HCT2G125
t PZL
t PZH
S 1
V M
V CC
open
GND
V M
outputs
enabled
MNA362
o
of the pulse generator.
Product specification