MC74ACT194N 查看數據表（PDF） - Motorola => Freescale

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MC74ACT194N

4-Bit Bidirectional Universal Shift Register

Motorola => Freescale 

MC74AC194 MC74ACT194

DC CHARACTERISTICS

74ACT

74ACT

Symbol

Parameter

VCC

(V)

TA = +25°C

TA =

–40°C to +85°C

Unit

Conditions

Typ Guaranteed Limits

VIH

VIL

VOH

Minimum High Level

Input Voltage

Maximum Low Level

Input Voltage

Minimum High Level

Output Voltage

4.5

1.5 2.0

2.0

5.5

1.5 2.0

2.0

4.5

1.5 0.8

0.8

5.5

1.5 0.8

0.8

4.5 4.49 4.4

4.4

5.5 5.49 5.4

5.4

V

VOUT = 0.1 V

or VCC – 0.1 V

V

VOUT = 0.1 V

or VCC – 0.1 V

V

IOUT = –50 µA

VOL

Maximum Low Level

Output Voltage

4.5

3.86

3.76

5.5

4.86

4.76

4.5 0.001 0.1

0.1

5.5 0.001 0.1

0.1

*VIN = VIL or VIH

V

IOH

–24 mA

–24 mA

V

IOUT = 50 µA

IIN

Maximum Input

Leakage Current

*VIN = VIL or VIH

4.5

5.5

0.36

0.44

0.36

0.44

V

IOL

24 mA

24 mA

5.5

±0.1

±1.0

µA

VI = VCC, GND

∆ICCT

IOLD

IOHD

ICC

Additional Max. ICC/Input

†Minimum Dynamic

Output Current

Maximum Quiescent

Supply Current

5.5

0.6

1.5

5.5

75

5.5

–75

5.5

8.0

80

mA

VI = VCC – 2.1 V

mA

VOLD = 1.65 V Max

mA

VOHD = 3.85 V Min

µA

VIN = VCC or GND

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

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

AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)

74ACT

74ACT

Symbol

Parameter

VCC*

(V)

TA = +25°C

CL = 50 pF

TA = –40°C

to +85°C

Unit

CL = 50 pF

Fig.

No.

Min Typ Max Min Max

fmax

Maximum Input

Frequency

5.0 210

150

MHz

3-3

tPLH

Propagation Delay

CP to Q

5.0 2.0

13.0 1.5 13.5

ns

3-6

tPHL

Propagation Delay

CP to Q

5.0 2.0

12.5 1.5 14.0

ns

3-6

tPHL

Propagation Delay

MR to Q

5.0 2.0

12.5 1.5 14.0

ns

3-6

* Voltage Range 5.0 V is 5.0 V ±0.5 V.

FACT DATA

5-5

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