74hct2g126 NXP Semiconductors, 74hct2g126 Datasheet - Page 11

• Manufacturer Part Number: 74hct2g126
• 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 74HC2G126: V
For 74HCT2G126: V
t
t
t
PLH
PLZ
PHZ
/t
/t
/t
TEST
PZL
PHL
PZH
M
M
= 50%; V
open
V
GND
= 1.3 V; V
CC
I
S
HIGH-to-OFF
OFF-to-HIGH
LOW-to-OFF
OFF-to-LOW
= GND to V
I
1
nOE input
= GND to 3.0 V.
output
output
GENERATOR
PULSE
CC
Fig.6 The 3-state enable and disable times.
GND
GND
V OH
V CC
V OL
Definitions for test circuit:
C
R
R
Fig.7 Load circuitry for switching times.
V I
L
L
T
= Load capacitance including jig and probe capacitance (see “AC characteristics” for values).
= Load resistance (see “AC characteristics” for values).
= Termination resistance should be equal to the output impedance Z
V I
enabled
V M
outputs
t PLZ
R T
t PHZ
D.U.T.
V CC
V X
11
V Y
V O
disabled
outputs
C L
MNA232
R L =
1000
74HC2G126; 74HCT2G126
t PZL
t PZH
S 1
V M
V CC
open
GND
V M
outputs
enabled
MNA949
o
of the pulse generator.
Product specification