74AHC_AHCT1G125 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 10 — 23 August 2012 6 of 17
NXP Semiconductors
74AHC1G125; 74AHCT1G125
Bus buffer/line driver; 3-state
t
en
enable time OE to Y; see Figure 8
[1]
V
CC
= 3.0 V to 3.6 V
[2]
C
L
= 15 pF - 5.0 8.0 1.0 9.5 1.0 11.5 ns
C
L
= 50 pF - 6.9 11.5 1.0 13.0 1.0 14.5 ns
V
CC
= 4.5 V to 5.5 V
[3]
C
L
= 15 pF - 3.6 5.1 1.0 6.0 1.0 6.5 ns
C
L
= 50 pF - 4.9 7.5 1.0 8.5 1.0 9.5 ns
t
dis
disable time OE to Y; see Figure 8
[1]
V
CC
= 3.0 V to 3.6 V
[2]
C
L
= 15 pF - 6.0 9.7 1.0 11.5 1.0 12.5 ns
C
L
= 50 pF - 8.3 13.2 1.0 15.0 1.0 16.5 ns
V
CC
= 4.5 V to 5.5 V
[3]
C
L
= 15 pF - 4.1 6.8 1.0 8.0 1.0 8.5 ns
C
L
= 50 pF - 5.7 8.8 1.0 10.0 1.0 11.0 ns
C
PD
power
dissipation
capacitance
per buffer;
C
L
=50pF;f=1 MHz;
V
I
=GNDtoV
CC
[4]
-9- - - - -pF
74AHCT1G125
t
pd
propagation
delay
AtoY; see Figure 7
[1]
V
CC
= 4.5 V to 5.5 V
[3]
C
L
= 15 pF - 3.4 5.5 1.0 6.5 1.0 7.0 ns
C
L
= 50 pF - 4.8 7.5 1.0 8.5 1.0 9.5 ns
t
en
enable time OE to Y; see Figure 8
[1]
V
CC
= 4.5 V to 5.5 V
[3]
C
L
= 15 pF - 3.9 5.1 1.0 6.0 1.0 6.5 ns
C
L
= 50 pF - 5.1 7.5 1.0 8.5 1.0 9.5 ns
t
dis
disable time OE to Y; see Figure 8
[1]
V
CC
= 4.5 V to 5.5 V
[3]
C
L
= 15 pF - 4.5 6.8 1.0 8.0 1.0 8.5 ns
C
L
= 50 pF - 6.1 8.8 1.0 10.0 1.0 11.0 ns
Table 8. Dynamic characteristics
…continued
GND = 0 V; For test circuit see Figure 9.
Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min Max
74AHC_AHCT1G125 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 10 — 23 August 2012 7 of 17
NXP Semiconductors
74AHC1G125; 74AHCT1G125
Bus buffer/line driver; 3-state
[1] t
pd
is the same as t
PLH
and t
PHL
.
t
en
is the same as t
PZL
and t
PZH
.
t
dis
is the same as t
PLZ
and t
PHZ
.
[2] Typical values are measured at V
CC
= 3.3 V.
[3] Typical values are measured at V
CC
= 5.0 V.
[4] C
PD
is used to determine the dynamic power dissipation P
D
(W).
P
D
=C
PD
V
CC
2
f
i
+ (C
L
V
CC
2
f
o
)where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in Volts.
12. Waveforms
C
PD
power
dissipation
capacitance
per buffer;
C
L
=50pF;f=1 MHz;
V
I
=GNDtoV
CC
[4]
-11- - - - - pF
Table 8. Dynamic characteristics
…continued
GND = 0 V; For test circuit see Figure 9.
Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min Max
Measurement points are given in Table 9.
V
OL
and V
OH
are typical output voltage levels that occur with the output load.
Fig 7. Input (A) to output (Y) propagation delays
mnb153
t
PHL
t
PLH
V
M
V
M
A input
Y output
GND
V
I
V
OH
V
OL
74AHC_AHCT1G125 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 10 — 23 August 2012 8 of 17
NXP Semiconductors
74AHC1G125; 74AHCT1G125
Bus buffer/line driver; 3-state
Measurement points are given in Table 9.
V
OL
and V
OH
are typical output voltage levels that occur with the output load.
Fig 8. Enable and disable times
mna644
t
PLZ
t
PHZ
outputs
disabled
outputs
enabled
V
Y
V
X
outputs
enabled
output
LOW-to-OFF
OFF-to-LOW
output
HIGH-to-OFF
OFF-to-HIGH
OE input
V
I
V
OL
V
OH
V
CC
V
M
GND
GND
t
PZL
t
PZH
V
M
V
M
Table 9. Measurement point
Type Inputs Output
V
I
V
M
V
M
V
X
V
Y
74AHC1G125 GND to V
CC
0.5V
CC
0.5V
CC
V
OL
+ 0.3 V V
OH
0.3 V
74AHCT1G125 GND to 3.0 V 1.5 V 0.5V
CC
V
OL
+ 0.3 V V
OH
0.3 V

74AHC1G125GW,125

Mfr. #:
Manufacturer:
Nexperia
Description:
Buffers & Line Drivers 3-STATE BUFFER
Lifecycle:
New from this manufacturer.
Delivery:
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