74AC520(2007) 查看數據表（PDF） - Fairchild Semiconductor

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74AC520
(Rev.:2007)

8-Bit Identity Comparator

Fairchild Semiconductor 

DC Electrical Characteristics for ACT

Symbol Parameter

VIH Minimum HIGH

Level Input Voltage

VCC (V) Conditions

4.5 VOUT = 0.1V or VCC

5.5 – 0.1V

VIL Maximum LOW

Level Input Voltage

4.5 VOUT = 0.1V or VCC

5.5 – 0.1V

VOH Minimum HIGH

4.5 IOUT = –50µA

Level Output Voltage 5.5

VIN = VIL or VIH:

4.5 IOH = –24mA

5.5 IOH = –24mA(5)

VOL Maximum LOW

4.5 IOUT = 50µA

Level Output Voltage 5.5

IIN Maximum Input

Leakage Current

VIN = VIL or VIH:

4.5 IOL = 24mA

5.5 IOL = 24mA(5)

5.5 VI = VCC, GND

IIH Maximum Input

HIGH Leakage

Current

5.5 VI = VCC,

B Inputs Only

IIL

Maximum Input LOW 5.5 VI = VCC,

Leakage Current

B Inputs Only

ICCT

IOLD

IOHD

ICC

Maximum ICC/Input

Minimum Dynamic

Output Current(6)

Maximum Quiescent

Supply Current

5.5 VI = VCC – 2.1V

5.5 VOLD = 1.65V Max.

5.5 VOHD = 3.85V Min.

5.5 VIN = VCC or GND

ICC Maximum Quiescent 5.5 VIN = GND

Supply Current

TA = +25°C TA = –40°C to +85°C

Typ.

Guaranteed Limits

1.5 2.0

2.0

1.5 2.0

2.0

1.5 0.8

0.8

1.5 0.8

0.8

4.49 4.4

4.4

5.49 5.4

5.4

3.86

3.76

4.86

4.76

0.001 0.1

0.1

0.001 0.1

0.1

0.36

0.44

0.36

0.44

±0.1

±1.0

10.0

10.0

–0.3 –0.6

–1.0

0.6

1.5

75

–75

4.0

40.0

2.3 4.8

8.0

Units

V

V

V

V

µA

µA

mA

mA

mA

mA

µA

mA

Notes:

5. All outputs loaded; thresholds on input associated with output under test.

6. Maximum test duration 2.0ms, one output loaded at a time.

©1989 Fairchild Semiconductor Corporation

74AC520, 74ACT520 Rev. 1.4

6

www.fairchildsemi.com

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