74HC_HCT1G126_4 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 04 — 20 July 2007 3 of 12
NXP Semiconductors
74HC1G126; 74HCT1G126
Bus buffer/line driver; 3-state
8. Limiting values
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] Above 55 °C the value of P
tot
derates linearly with 2.5 mW/K.
9. Recommended operating conditions
10. Static characteristics
Table 5. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
[1]
Symbol Parameter Conditions Min Max Unit
V
CC
supply voltage −0.5 +7.0 V
I
IK
input clamping current V
I
< −0.5 V or V
I
>V
CC
+ 0.5 V - ±20 mA
I
OK
output clamping current V
O
< −0.5 V or V
O
>V
CC
+ 0.5 V - ±20 mA
I
O
output current −0.5 V < V
O
<V
CC
+ 0.5 V - ±35.0 mA
I
CC
supply current - 70 mA
I
GND
ground current −70 - mA
T
stg
storage temperature −65 +150 °C
P
tot
total power dissipation T
amb
= −40 °C to +125 °C
[2]
- 200 mW
Table 6. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions 74HC1G126 74HCT1G126 Unit
Min Typ Max Min Typ Max
V
CC
supply voltage 2.0 5.0 6.0 4.5 5.0 5.5 V
V
I
input voltage 0 - V
CC
0-V
CC
V
V
O
output voltage 0 - V
CC
0-V
CC
V
T
amb
ambient temperature −40 +25 +125 −40 +25 +125 °C
∆t/∆V input transition rise
and fall rate
V
CC
= 2.0 V - - 625 - - - ns/V
V
CC
= 4.5 V - - 139 - - 139 ns/V
V
CC
= 6.0 V - - 83 - - - ns/V
Table 7. Static characteristics
Voltages are referenced to GND (ground = 0 V). All typical values are measured at T
amb
=25
°
C.
Symbol Parameter Conditions −40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ Max Min Max
For type 74HC1G126
V
IH
HIGH-level input
voltage
V
CC
= 2.0 V 1.5 1.2 - 1.5 - V
V
CC
= 4.5 V 3.15 2.4 - 3.15 - V
V
CC
= 6.0 V 4.2 3.2 - 4.2 - V
V
IL
LOW-level input
voltage
V
CC
= 2.0 V - 0.8 0.5 - 0.5 V
V
CC
= 4.5 V - 2.1 1.35 - 1.35 V
V
CC
= 6.0 V - 2.8 1.8 - 1.8 V
