74AHC1G125 Philips Semiconductors, 74AHC1G125 Datasheet - Page 9
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74AHC1G125
Manufacturer Part Number
74AHC1G125
Description
Bus buffer/line driver; 3-state
Manufacturer
Philips Semiconductors
Datasheet
1.74AHC1G125.pdf
(16 pages)
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Philips Semiconductors
1999 Jun 15
handbook, full pagewidth
handbook, full pagewidth
Bus buffer/line driver; 3-state
Definitions for test circuit.
C
R
R
AHC1G
AHCT1G
L
L
T
FAMILY
= load capacitance including jig and probe capacitance (see Chapter “AC characteristics”).
= load resistance.
= termination resistance should be equal to the output impedance Z
GND to V
GND to 3.0 V
REQUIREMENTS
V
I
INPUT
CC
HIGH-to-OFF
OFF-to-HIGH
LOW-to-OFF
OFF-to-LOW
OE INPUT
OUTPUT
OUTPUT
GENERATOR
PULSE
50% V
1.5 V
Fig.6 The 3-state enable and disable times.
GND
GND
V CC
INPUT
Fig.7 Load circuitry for switching times.
V I
V
M
CC
V I
50% V
50% V
OUTPUT
V M
enabled
R T
(1)
t PLZ
V
output
t PHZ
M
D.U.T.
V CC
CC
CC
o
of the pulse generator.
9
V OL 0.3 V
V O
V OH 0.3 V
C L
disabled
output
74AHC1G125; 74AHCT1G125
MNA232
R L =
1000
t PZL
t PZH
S 1
V M
t
t
t
open
GND
V CC
PLH
PLZ
PHZ
V M
(1)
output
enabled
/t
/t
(1)
/t
MNA122
TEST
PZL
PHL
PZH
Product specification
open
V
GND
CC
S
1