74F74 datasheet(4/8 Pages) PHILIPS

Il numero della parte	74F74

Spiegazioni elettronici	Dual D-type flip-flop

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Produttore elettronici	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product specification

74F74

Dual D-type flip-flop

1996 Mar 12

4

DC ELECTRICAL CHARACTERISTICS

(Over recommended operating free-air temperature range unless otherwise noted.)

SYMBOL

PARAMETER

TEST CONDITIONS1

LIMITS

UNIT

SYMBOL

PARAMETER

TEST CONDITIONS1

MIN

TYP2

MAX

UNIT

VO

High level output voltage

VCC = MIN V = MAX V = MIN

IO = MAX

±10%VCC

2.5

V

VOH

High-level output voltage

VCC = MIN, VIL = MAX, VIH = MIN

IOH = MAX

±5%VCC

2.7

3.4

V

VO

Low level output voltage

VCC = MIN V = MAX V = MIN

IO = MAX

±10%VCC

0.30

0.50

V

VOL

Low-level output voltage

VCC = MIN, VIL = MAX, VIH = MIN

IOL = MAX

±5%VCC

0.30

0.50

V

VIK

Input clamp voltage

VCC = MIN, II = IIK

-0.73

-1.2

V

II

Input current at maximum input

voltage

VCC = MAX, VI = 7.0V

100

µA

IIH

High-level input current

VCC = MAX, VI = 2.7V

20

µA

I

Low-level input

Dn, CPn

VCC = MAX, VI = 0.5V

-0.6

mA

IIL

current

SDn, RDn

VCC = MAX, VI = 0.5V

-1.8

mA

IOS

Short-circuit output current3

VCC = MAX

-60

-150

mA

ICC

Supply current (total) 4

VCC = MAX

11.5

16

mA

NOTES:

1

For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.

2

All typical values are at VCC = 5V, Tamb = 25°C.

3

Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold

techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting

of a high output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any

sequence of parameter tests, IOS tests should be performed last.

4

Measure ICC with the clock input grounded and all outputs open, then with Q and Q outputs high in turn.

AC ELECTRICAL CHARACTERISTICS

LIMITS

SYMBOL

PARAMETER

TEST

CONDITION

VCC = +5.0V

Tamb = +25°C

CL = 50pF, RL = 500Ω

VCC = +5.0V ± 10%

Tamb = 0°C to +70°C

CL = 50pF, RL = 500Ω

VCC = +5.0V ± 10%

Tamb = –40°C to +85°C

CL = 50pF, RL = 500Ω

UNIT

MIN

TYP

MAX

MIN

MAX

MIN

MAX

fmax

Maximum clock frequency

Waveform 1

100

125

100

90

MHz

tPLH

tPHL

Propagation delay

CPn to Qn or Qn

Waveform 1

3.8

4.4

5.3

6.2

6.8

8.0

3.8

4.4

7.8

9.2

3.8

4.4

8.5

9.2

ns

tPLH

tPHL

Propagation delay

SDn, RDn to Qn or Qn

Waveform 2

3.2

3.5

4.6

7.0

6.1

9.0

3.2

3.5

7.1

10.5

3.2

2.5

7.5

10.5

ns

AC SETUP REQUIREMENTS

LIMITS

SYMBOL

PARAMETER

TEST

CONDITION

VCC = +5.0V

Tamb = +25°C

CL = 50pF, RL = 500Ω

VCC = +5.0V ± 10%

Tamb = 0°C to +70°C

CL = 50pF, RL = 500Ω

VCC = +5.0V ± 10%

Tamb = –40°C to +85°C

CL = 50pF, RL = 500Ω

UNIT

MIN

TYP

MAX

MIN

MAX

MIN

MAX

tsu (H)

tsu (L)

Setup time, high or low

Dn to CPn

Waveform 1

2.0

3.0

2.0

3.0

2.0

3.0

ns

th (H)

th (L)

Hold time, high or low

Dn to CPn

Waveform 1

1.0

ns

tw (H)

tw (L)

CPn pulse width,

high or low

Waveform 1

4.0

5.0

4.0

5.0

4.0

5.0

ns

tw (L)

SDn, RDn pulse width,

low

Waveform 2

4.0

ns

trec

Recovery time

SDn, RDn to CPn

Waveform 3

2.0

ns

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