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HD74HCT244 Datasheet, PDF (3/9 Pages) Hitachi Semiconductor – Octal Buffers/Line Drivers/Line Receivers(noninverted 3-state outputs)
Absolute Maximum Ratings
Item
Supply voltage range
Input voltage
Output voltage
DC current drain per pin
DC current drain per VCC, GND
DC input diode current
DC output diode current
Power dissipation per package
Storage temperature
Symbol
VCC
VIN
VOUT
I OUT
ICC, IGND
I IK
I OK
PT
Tstg
HD74HCT244
Rating
–0.5 to +7.0
–0.5 to VCC + 0.5
–0.5 to VCC + 0.5
±35
±75
±20
±20
500
–65 to +150
Unit
V
V
V
mA
mA
mA
mA
mW
°C
DC Characteristics
Ta = 25°C
Ta = –40 to
+85°C
Test Conditions
Item
Input voltage
Symbol Min Typ Max Min
VIH
2.0 — — 2.0
Max
—
Unit
V
VCC (V)
4.5 to
5.5
VIL
— — 0.8 — 0.8 V 4.5 to
5.5
Output voltage
VOH
VOL
Off-state output IOZ
current
Input current
Iin
Quiescent current ICC
4.4 — — 4.4 — V 4.5
4.18 — — 4.13 —
4.5
— — 0.1 — 0.1 V 4.5
— — 0.26 — 0.33
4.5
— — ±0.5 — ±5.0 µA 5.5
— — ±0.1 —
— — 4.0 —
±1.0 µA 5.5
40 µA 5.5
Vin = VIH or VIL IOH = –20 µA
IOH = –6 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
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