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HD74HCT125 Datasheet, PDF (3/9 Pages) Hitachi Semiconductor – Quad. Bus Buffer Gates (with 3-state outputs) | |||
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HD74HCT125, HD74HCT126
Absolute Maximum Ratings
Item
Symbol
Rating
Unit
Supply voltage range
Input voltage
VCC
â0.5 to +7.0
V
VIN
â0.5 to VCC + 0.5
V
Output voltage
Output current
DC current drain per VCC, GND
DC input diode current
DC output diode current
Power dissipation per package
Storage temperature
VOUT
IOUT
ICC, IGND
IIK
IOK
PT
Tstg
â0.5 to VCC + 0.5
V
±35
mA
±75
mA
±20
mA
±20
mA
500
mW
â65 to +150
°C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Recommended Operating Conditions
Item
Symbol
Ratings
Supply voltage
VCC
4.5 to 5.5
Input / Output voltage
VIN, VOUT
0 to VCC
Operating temperature
Input rise / fall time*1
Ta
â40 to 85
tr, tf
0 to 500
Notes: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Unit
Conditions
V
V
°C
ns
VCC = 4.5 V
Electrical Characteristics
Item
Input voltage
Output voltage
Off-state output
current
Input current
Quiescent supply
current
Symbol VCC (V)
VIH 4.5 to 5.5
VIL 4.5 to 5.5
VOH
4.5
4.5
VOL
4.5
4.5
IOZ
5.5
Iin
5.5
ICC
5.5
Ta = 25°C
Min Typ Max
2.0 â â
â â 0.8
4.4 â â
4.18 â â
â â 0.1
â â 0.26
â â ±0.5
â â ±0.1
â â 4.0
Ta = â40 to+85°C
Min Max
2.0
â
â
0.8
4.4
â
4.13
â
â
0.1
â
0.33
â
±5.0
â
±1.0
â
40
Unit
V
V
V
V
µA
µA
µA
Test Conditions
Vin = VIH or VIL IOH = â20 µA
IOH = â6 mA
Vin = VIH or VIL IOL = 20 µA
IOL = 6 mA
Vin = VIH or VIL,
Vout = VCC or GND
Vin = VCC or GND
Vin = VCC or GND, Iout = 0 µA
Rev.2.00 Mar 30, 2006 page 3 of 8
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