CD54ACT257 datasheet(6/17 Pages) TI

部件名	CD54ACT257

功能描述	Quad 2-Input Multiplexer with Three-State Outputs

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制造商	TI [Texas Instruments]

网页	http://www.ti.com

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6

Propagation Delay,

OE to Y

AC/ACT257

tPLZ, tPHZ,

tPZL, tPZH

5

4.1

-

14.6

4

-

16.1

ns

Propagation Delay,

In to Y

’AC/CD74ACT258

tPLH, tPHL

5

2.4

-

8.5

2.3

-

9.3

ns

Propagation Delay,

S to Y

’AC/CD74ACT258

tPLH, tPHL

5

4

-

14

3.9

-

15.4

ns

Propagation Delay,

OE to Y

’AC/CD74ACT258

tPLZ, tPHZ,

tPZL, tPZH

5

4.1

-

14.6

4

-

16.1

ns

Three-State Output

Capacitance

CO

-

-15-

-15

pF

Input Capacitance

CI

-

-10-

-10

pF

Power Dissipation Capacitance

CPD

(Note 11)

-

130

-

130

-

pF

NOTES:

8. Limits tested 100%.

9. 3.3V Min is at 3.6V, Max is at 3V.

10. 5V Min is at 5.5V, Max is at 4.5V.

11. CPD is used to determine the dynamic power consumption per multiplexer.

AC: PD = CPD VCC

2 f

i + ∑ (CL VCC

2 f

o)

ACT: PD =CPD VCC

2 f

i + ∑ (CL VCC

2 f

o)+VCC ∆ICC where fi = input frequency, fo = output frequency, CL = output load capacitance,

VCC = supply voltage.

FIGURE 1. THREE-STATE PROPAGATION DELAY TIMES AND TEST CIRCUIT

Switching Speciﬁcations Input tr, tf = 3ns, CL = 50pF (Worst Case) (Continued)

PARAMETER

SYMBOL

VCC (V)

-40oC TO 85oC

-55oC TO 125oC

UNITS

MIN

TYP

MAX

MIN

TYP

MAX

DUT

WITH

THREE-

STATE

OUTPUT

INPUT LEVEL

90%

VS

10%

GND

tf = 3ns

tPZL

tPZH

tPLZ

tPHZ

OUTPUTS

ENABLED

OUTPUTS

DISABLED

OUTPUT: LOW

TO OFF TO LOW

OUTPUT: HIGH

TO OFF TO HIGH

OTHER

INPUTS

(TIED HIGH

OR LOW)

OUTPUT

DISABLE

CL

50pF

500Ω†

RL

500Ω†

RL

OUT

VS

0.2VCC

VOL (≠GND)

VOH (≠VCC)

0.8 VCC

VS

GND (tPHZ, tPZH)

OUTPUTS

ENABLED

OPEN (tPHL, tPLH)

2 VCC (tPLZ, tPZL)

(OPEN DRAIN)

tr = 3ns

OUTPUT

DISABLE

†FOR AC SERIES ONLY: WHEN VCC = 1.5V, RL = 1kΩ

CD54/74AC257, CD54/74ACT257, CD74ACT258

类似零件编号 - CD54ACT257

制造商	部件名	数据表	功能描述
Intersil Corporation	CD54ACT257	10Kb / 1P	Quad 2-Input Multiplexer Three-State, Non-Inverting June 1997
Texas Instruments	CD54ACT257	287Kb / 8P	[Old version datasheet] Quad 2-Input Multiplexer with Three-State Outputs
Intersil Corporation	CD54ACT2573A	10Kb / 1P	Quad 2-Input Multiplexer Three-State, Non-Inverting June 1997
Texas Instruments	CD54ACT257F3A	287Kb / 8P	[Old version datasheet] Quad 2-Input Multiplexer with Three-State Outputs
Texas Instruments	CD54ACT257F3A	455Kb / 17P	[Old version datasheet] Quad 2-Input Multiplexer with Three-State Outputs

More results

类似说明 - CD54ACT257

制造商	部件名	数据表	功能描述
Texas Instruments	CD74AC257	39Kb / 8P	[Old version datasheet] Quad 2-Input Multiplexer with Three-State Outputs
	CD74AC257	287Kb / 8P	[Old version datasheet] Quad 2-Input Multiplexer with Three-State Outputs
	CD54AC257	455Kb / 17P	[Old version datasheet] Quad 2-Input Multiplexer with Three-State Outputs
Intersil Corporation	ACS257MS	48Kb / 2P	Radiation Hardened Quad 2-Input Multiplexer with Three-State Outputs November 1997
Fairchild Semiconductor	74F258A	56Kb / 6P	Quad 2-Input Multiplexer with 3-STATE Outputs
National Semiconductor ...	MN54AC258-X	17Kb / 7P	Quad 2 Input Multiplexer With TRI - STATE Outputs
	54AC258	143Kb / 8P	Quad 2-Input Multiplexer with TRI-STATE Outputs
	54F257ADM	157Kb / 8P	Quad 2-Input Multiplexer with TRI-STATE Outputs
Motorola, Inc	SN54LS257B	182Kb / 6P	QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
Fairchild Semiconductor	74ACT258	284Kb / 10P	Quad 2-Input Multiplexer with 3-STATE Outputs