74LV241DB datasheet(6/12 Pages) PHILIPS

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Philips Semiconductors

Product specification

74LV241

Octal buffer/line driver (3-State)

1998 May 20

AC CHARACTERISTICS

GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF; RL = 1KΩ

CONDITION

LIMITS

SYMBOL

PARAMETER

WAVEFORM

CONDITION

–40 to +85

°C

–40 to +125

°C

UNIT

VCC(V)

MIN

TYP1

MAX

MIN

MAX

1.2

Propagation delay

1A to 1Y ;

Figures 1

2.0

tPHL/tPLH

1An to 1Yn;

2An to 2Yn

Figures 1

2.7

3.0 to 3.6

1.2

3-State output enable time

1OE to 1Y ;

Figures 2 3

2.0

tPZH/tPZL

1OE to 1Yn;

2OE to 2Yn

Figures 2, 3

2.7

3.0 to 3.6

102

1.2

3-State output disable time

1OE to 1Y ;

Figures 2 3

2.0

tPHZ/tPLZ

1OE to 1Yn;

2OE to 2Yn

Figures 2, 3

2.7

3.0 to 3.6

132

NOTES:

1. Unless otherwise stated, all typical values are measured at Tamb = 25°C.

2. Typical values are measured at VCC = 3.3 V.

AC WAVEFORMS

VM = 1.5 V at VCC ≥ 2.7 V; VM = 0.5 V × VCC at VCC < 2.7 V

VX = VOL + 0.3 V at VCC ≥ 2.7 V; VX = VOL + 0.1 V × VCC at VCC <

2.7 V

VY = VOH – 0.3 V at VCC ≥ 2.7V; VY = VOH – 0.1 × VCC at VCC < 2.7

VOL and VOH are the typical output voltage drop that occur with the

output load.

SV00617

INPUTS

OUTPUT

tPLH

tPHL

GND

VOL

VOH

Figure 1. Input (1An, 2An) to output (1Yn, 2Yn)

propagation delays.

SV00618

outputs

disabled

outputs

enabled

outputs

enabled

tPHZ

tPZH

tPZL

tPLZ

OUTPUT

HIGH-to-OFF

OFF-to-HIGH

OUTPUT

LOW-to-OFF

OFF-to-LOW

1OE INPUT

VOL

VOH

GND

VCC

Figure 2. 3-State enable and disable times.

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