Datasheet

74AHC_AHCT2G126 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 7 — 6 May 2013 5 of 16
NXP Semiconductors
74AHC2G126; 74AHCT2G126
Dual buffer/line driver; 3-state
11. Dynamic characteristics
C
I
input
capacitance
- 1.5 10 - 10 - 10 pF
74AHCT2G126
V
IH
HIGH-level
input voltage
V
CC
= 4.5 V to 5.5 V 2.0 - - 2.0 - 2.0 - V
V
IL
LOW-level
input voltage
V
CC
= 4.5 V to 5.5 V - - 0.8 - 0.8 - 0.8 V
V
OH
HIGH-level
output voltage
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
I
O
= 50 A 4.4 4.5 - 4.4 - 4.4 - V
I
O
= 8.0 mA 3.94 - - 3.8 - 3.70 - V
V
OL
LOW-level
output voltage
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
I
O
= 50 A - 0 0.1 - 0.1 - 0.1 V
I
O
= 8.0 mA - - 0.36 - 0.44 - 0.55 V
I
OZ
OFF-state
output current
V
I
=V
CC
or GND;
V
CC
=5.5V
- - 0.25 - 2.5 - 10 A
I
I
input leakage
current
V
I
= 5.5 V or GND;
V
CC
=0Vto5.5V
- - 0.1 - 1.0 - 2.0 A
I
CC
supply current V
I
=V
CC
or GND; I
O
= 0 A;
V
CC
= 5.5 V
- - 1.0 - 10 - 40 A
I
CC
additional
supply current
per input pin; V
I
=3.4V;
other inputs at V
CC
or GND;
I
O
=0 A; V
CC
= 5.5 V
- - 1.35 - 1.5 - 1.5 mA
C
I
input
capacitance
- 1.5 10 - 10 - 10 pF
Table 7. Static characteristics …continued
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min Max
Table 8. Dynamic characteristics
GND = 0 V; for test circuit see Figure 8.
Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min Max
74AHC2G126
t
pd
propagation
delay
nA to nY; see Figure 6
[1]
V
CC
= 3.0 V to 3.6 V
[2]
C
L
= 15 pF - 4.7 8.0 1.0 9.5 1.0 11.5 ns
C
L
= 50 pF - 6.6 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 - 3.4 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