74LVC74A_6

© NXP B.V. 2007. All rights reserved.

Product data sheet

Rev. 06 — 4 June 2007

4 of 16

NXP Semiconductors

74LVC74A

Dual D-type flip-flop with set and reset; positive-edge trigger

6.

Functional description

[1]

H = HIGH voltage level

L = LOW voltage level

X = don’t care

[1]

H = HIGH voltage level

L = LOW voltage level

↑ = LOW-to-HIGH transition

X = don’t care

7.

Limiting values

[1]

The minimum input voltage ratings may be exceeded if the input current ratings are observed.

[2]

The output voltage ratings may be exceeded if the output current ratings are observed.

[3]

For SO14 packages: above 70

For (T)SSOP14 packages: above 60

For DHVQFN14 packages: above 60

Table 3.

Function table[1]

Input

Output

nSD

nRD

nCP

nD

nQ

nQ

L

H

XXH

L

H

L

XXL

H

L

L

XXH

H

Table 4.

Function table[1]

Input

Output

nSD

nRD

nCP

nD

HH

↑

LLH

HH

↑

HHL

Table 5.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).

Symbol

Parameter

Conditions

Min

Max

Unit

supply voltage

−0.5

+6.5

V

input clamping current

−50

-

mA

input voltage

[1]

−0.5

+6.5

V

output clamping current

-

±50

mA

output voltage

[2]

−0.5

V

output current

-

±50

mA

supply current

-

100

mA

ground current

−100

-

mA

storage temperature

−65

+150

°C

total power dissipation

[3] -

500

mW