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 3 of 16
NXP Semiconductors
74AHC2G126; 74AHCT2G126
Dual buffer/line driver; 3-state
6.2 Pin description
7. Functional description
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
8. Limiting values
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] For TSSOP8 package: above 55 C the value of P
tot
derates linearly with 2.5 mW/K.
For VSSOP8 package: above 110 C the value of P
tot
derates linearly with 8 mW/K.
For XSON8 package: above 118 C the value of P
tot
derates linearly with 7.8 mW/K.
Table 3. Pin description
Symbol Pin Description
1OE, 2OE 1, 7 output enable input (active HIGH)
1A, 2A 2, 5 data input
GND 4 ground (0 V)
1Y, 2Y 6, 3 data output
V
CC
8 supply voltage
Table 4. Function table
[1]
Control Input Output
nOE nA nY
HL L
HHH
LXZ
Table 5. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Max Unit
V
CC
supply voltage 0.5 +7.0 V
V
I
input voltage 0.5 +7.0 V
I
IK
input clamping current V
I
< 0.5 V
[1]
20 - mA
I
OK
output clamping current V
O
< 0.5 V or V
O
>V
CC
+0.5V
[1]
- 20 mA
I
O
output current 0.5 V < V
O
<V
CC
+0.5V - 25 mA
I
CC
supply current - 75 mA
I
GND
ground current 75 - mA
T
stg
storage temperature 65 +150 C
P
tot
total power dissipation T
amb
= 40 C to +125 C
[2]
- 250 mW