Nexperia
74ABT126
Quad buffer; 3-state
74ABT126 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2017. All rights reserved.
Product data sheet Rev. 5 — 4 April 2017
4 / 14
9 Static characteristics
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
T
amb
= 25 °C T
amb
=
-45 °C to +85 °C
Symbol Parameter Conditions
Min Typ Max Min Max
Unit
V
IK
input clamping
voltage
V
CC
= 4.5 V; I
IK
= -18 mA -1.2 -0.9 - -1.2 - V
V
IH
HIGH-level input
voltage
2.0 - - 2.0 - V
V
IL
LOW-level input
voltage
- - 0.8 - 0.8 V
V
CC
= 4.5 V; V
I
= V
IL
or V
IH
I
OH
= -3 mA 2.5 2.9 - 2.5 - V
I
OH
= -32 mA 2.0 2.4 - 2.0 - V
V
CC
= 5.0 V; V
I
= V
IL
or V
IH
V
OH
HIGH-level output
voltage
I
OH
= -3 mA 3.0 3.4 - 3.0 - V
V
CC
= 4.5 V; V
I
= V
IL
or V
IH
V
OL
LOW-level output
voltage
I
OL
= 64mA - 0.35 0.55 - 0.55 V
I
I
input leakage current V
CC
= 5.5 V; V
I
= GND or 5.5 V - ±0.01 ±1.0 - ±1.0 μA
I
OFF
power-off leakage
current
V
CC
= 0 V; V
O
or V
I
≤ 4.5 V - ±5.0 ±100 - ±100 μA
I
O(pu/pd)
power-up/power-
down output current
V
CC
= 2.1 V; V
O
= 0.5 V;
V
I
= GND or V
CC
; nOE = don’t care
[1]
- ±5.0 ±50 - ±50 μA
V
CC
= 5.5 V; V
I
= V
IL
or V
IH
output HIGH-state at V
O
= 2.7 V - 1.0 50 - 50 μA
I
OZ
OFF-state output
current
output LOW-state at V
O
= 0.5 V -50 -1.0 - -50 - μA
I
CEX
output high leakage
current
V
CC
= 5.5 V; V
O
= 5.5 V;
V
I
= GND or V
CC
- 5.0 50 - 50 μA
I
O
output current V
CC
= 5.5 V; V
O
= 2.5 V
[2]
-180 -100 -50 -180 -50 mA
V
CC
= 5.5 V; V
I
= GND or V
CC
outputs HIGH-state - 65 250 - 250 μA
outputs LOW-state - 12 15 - 15 mA
I
CC
supply current
outputs 3-state - 65 250 - 250 μA
additional supply
current
one data input at 3.4 V and other
inputs at V
CC
or GND; V
CC
= 5.5 V
[3]
outputs enabled - 0.5 1.5 - 1.5 mA
ΔI
CC
per data input pin
outputs 3-state - 50 250 - 250 μA
Nexperia
74ABT126
Quad buffer; 3-state
74ABT126 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2017. All rights reserved.
Product data sheet Rev. 5 — 4 April 2017
5 / 14
T
amb
= 25 °C T
amb
=
-45 °C to +85 °C
Symbol Parameter Conditions
Min Typ Max Min Max
Unit
one enable input at 3.4 V and other
inputs at V
CC
or GND; V
CC
= 5.5 V
[3]
per enable input
pin
outputs 3-state - 0.5 1.5 - 1.5 mA
C
I
input capacitance V
I
= 0 V or V
CC
- 4 - - - pF
C
O
output capacitance outputs disabled; V
O
= 0 V or V
CC
- 7 - - - pF
[1] This parameter is valid for any V
CC
between 0 V and 2.1 V, with a transition time of up to 10 ms. From V
CC
= 2.1 V to V
CC
= 5 V ± 10 % a transition time of
up to 100 μs is permitted.
[2] Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
[3] This is the increase in supply current for each input at 3.4 V.
10 Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 7.
T
amb
= 25 °C;
V
CC
= 5.0 V
T
amb
= -40 °C to +85 °C;
V
CC
= 5.0 V ± 0.5 V
Symbol Parameter Conditions
Min Typ Max Min Max
Unit
t
PLH
LOW to HIGH
propagation delay
nA to nY; see Figure 5 1.0 2.9 4.2 1.0 4.4 ns
t
PHL
HIGH to LOW
propagation delay
nA to nY; see Figure 5 1.0 3.0 4.3 1.0 4.6 ns
t
PZH
OFF-state to HIGH
propagation delay
see Figure 6 1.5 3.2 5.8 1.5 6.5 ns
t
PZL
OFF-state to LOW
propagation delay
see Figure 6 1.9 4.4 5.9 1.9 6.5 ns
t
PHZ
HIGH to OFF-state
propagation delay
see Figure 6 1.0 4.2 5.2 1.0 5.8 ns
t
PLZ
LOW to OFF-state
propagation delay
see Figure 6 1.0 2.9 4.9 1.0 5.5 ns
Nexperia
74ABT126
Quad buffer; 3-state
74ABT126 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2017. All rights reserved.
Product data sheet Rev. 5 — 4 April 2017
6 / 14
10.1 Waveforms and test circuit
mnb072
nA input
nY output
t
PLH
t
PHL
GND
V
I
V
M
V
M
V
M
V
M
V
OH
V
OL
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output drop that occur with the output load.
Figure 5. Propagation delay input (nA) to output (nY)
001aac486
t
PZL
nY output
nY output
nOE input
V
OL
V
OH
3.5 V
V
I
V
M
GND
0 V
t
PLZ
t
PZH
t
PHZ
V
OL
+ 0.3 V
V
OH
- 0.3 V
V
M
V
M
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output drop that occur with the output load.
Figure 6. Enable and disable times of 3-state outputs
Table 8. Measurement points
Input Output
V
M
V
M
1.5 V 1.5 V

74ABT126D,623

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