MC74HCT573A データシートの表示（PDF） - ON Semiconductor

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MC74HCT573A

Octal 3-State Noninverting Transparent Latch with LSTTL Compatible Inputs

ON Semiconductor 

FUNCTION TABLE

Inputs

Output Latch

Enable Enable D

L

H

H

L

H

L

L

L

X

H

X

X

X = Don’t Care

Z = High Impedance

Output

Q

H

L

No Change

Z

MC74HCT573A

Design Criteria

Value Units

Internal Gate Count*

58.5

ea

Internal Gate Propagation Delay

1.5

ns

Internal Gate Power Dissipation

5.0

mW

Speed Power Product

0.0075 pJ

*Equivalent to a two−input NAND gate.

MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VCC DC Supply Voltage (Referenced to GND)

–0.5 to + 7.0

V

Vin DC Input Voltage (Referenced to GND)

–0.5 to VCC + 0.5 V

Vout DC Output Voltage (Referenced to GND)

–0.5 to VCC + 0.5 V

Iin

DC Input Current, per Pin

±20

mA

Iout DC Output Current, per Pin

±25

mA

ICC DC Supply Current, VCC and GND Pins

±50

mA

PD Power Dissipation in Still Air

SOIC Package†

500

mW

TSSOP Package†

450

Tstg Storage Temperature

–65 to +150

_C

TL Lead Temperature, 1 mm from Case for 10 Seconds

_C

(TSSOP or SOIC Package)

260

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of

these limits are exceeded, device functionality should not be assumed, damage may occur and

reliability may be affected.

†Derating: SOIC Package: – 7 mW/_C from 65_ to 125_C

TSSOP Package: −6.1 mW/°C from 65_ to 125_C

This device contains protection

circuitry to guard against damage

due to high static voltages or electric

fields. However, precautions must

be taken to avoid applications of any

voltage higher than maximum rated

voltages to this high−impedance cir-

cuit. For proper operation, Vin and

Vout should be constrained to the

range GND v (Vin or Vout) v VCC.

Unused inputs must always be

tied to an appropriate logic voltage

level (e.g., either GND or VCC).

Unused outputs must be left open.

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Min

Max

Unit

VCC DC Supply Voltage (Referenced to GND)

4.5

5.5

V

Vin, Vout DC Input Voltage, Output Voltage (Referenced to GND)

0

VCC

V

TA

Operating Temperature, All Package Types

–55

+125

_C

tr, tf

Input Rise and Fall Time (Figure 1)

0

500

ns

Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond

the Recommended Operating Ranges limits may affect device reliability.

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