74HC7404 데이터 시트보기 (PDF) - Philips Electronics

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74HC7404

5-Bit x 64-word FIFO register; 3-state

Philips Electronics 

Philips Semiconductors

5-Bit x 64-word FIFO register; 3-state

Product specification

74HC/HCT7404

DC CHARACTERISTICS FOR 74HCT

For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”, except that VOH and VOL are not

valid for driver output. They are replaced by the values given below.

Output capability: driver 8 mA

ICC category: LSI.

Voltages are referenced to GND (ground = 0 V).

DC CHARACTERISTICS FOR 74HCT

SYMBOL PARAMETER

VOH

HIGH level

output voltage

VOL

LOW level

output voltage

Tamb °C

TEST CONDITION

+25

−40 to +85 −40 to +125 UNIT VCC

MIN TYP MAX MIN MAX MIN MAX

(V)

VI

OTHER

3.98 4.32 −

3.84 −

3.7 −

V

−

0.15 0.26 −

0.33 −

0.40 V

4.5 VIH

or

VIL

4.5 VIH

or

VIL

IO = −8 mA

IO = 8 mA

Note to HCT types

The value of additional quiescent supply current (∆ICC) for a unit load of 1 is given in the family specifications.

To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below.

UNIT LOAD COEFFICIENT

INPUT

OE

SI

Dn

MR

SO

UNIT LOAD COEFFICIENT

1

1.5

0.75

1.5

1.5

September 1993

9

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