74ALVCH16244 datasheet(6/10 Pages) PHILIPS

No de pièce	74ALVCH16244

Description	2.5V/3.3V 16-bit buffer/line driver 3-State

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Fabricant	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product specification

74ALVC16244/

74ALVCH16244

16-bit buffer/line driver (3-State)

1998 Jun 29

6

DC ELECTRICAL CHARACTERISTICS (Continued)

Over recommended operating conditions. Voltage are referenced to GND (ground = 0 V).

LIMITS

SYMBOL

PARAMETER

TEST CONDITIONS

Temp = -40

°C to +85°C

UNIT

MIN

TYP1

MAX

IBHL2

Bus hold LOW sustaining current

VCC = 2.3V; VI = 0.7V

45

–

µA

IBHL2

Bus hold LOW sustaining current

VCC = 3.0V; VI = 0.8V

75

150

µA

IBHH2

Bus hold HIGH sustaining current

VCC = 2.3V; VI = 1.7V

–45

µA

IBHH2

Bus hold HIGH sustaining current

VCC = 3.0V; VI = 2.0V

–75

–175

µA

IBHLO2

Bus hold LOW overdrive current

VCC = 2.7V

300

µA

IBHLO2

Bus hold LOW overdrive current

VCC = 3.6V

450

µA

IBHHO2

Bus hold HIGH overdrive current

VCC = 2.7V

–300

µA

IBHHO2

Bus hold HIGH overdrive current

VCC = 3.6V

–450

µA

NOTES:

1. All typical values are at Tamb = 25°C.

2. Valid for data inputs of bus hold parts.

AC CHARACTERISTICS FOR VCC = 2.3V TO 2.7V RANGE AND VCC < 2.3V

GND = 0V; tr = tf ≤ 2.0ns; CL = 30pF

LIMITS

SYMBOL

PARAMETER

WAVEFORM

VCC = 2.3 to 2.7V

VCC = 1.8V

VCC = 1.2V

UNIT

MIN

TYP1, 2

MAX

MIN

TYP1

MAX

TYP1

tPHL/tPLH

Propagation delay

nAn to nYn

1, 3

1.0

1.9

3.7

1.5

2.8

5.1

5.8

ns

tPZH/tPZL

3-State output enable time

nOE to nYn

2, 3

1.0

2.5

4.9

1.5

3.8

7.1

8.4

ns

tPHZ/tPLZ

3-State output disable time

nOE to nYn

2, 3

1.0

2.1

4.1

1.5

3.1

3.5

5.9

ns

NOTES:

1. All typical values are measured at Tamb = 25°C.

2. Typical value is measured at VCC = 2.5V

AC CHARACTERISTICS FOR VCC = 3.0V TO 3.6V RANGE AND VCC = 2.7V

GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF

LIMITS

SYMBOL

PARAMETER

WAVEFORM

VCC = 3.3 ± 0.3V

VCC = 2.7V

UNIT

MIN

TYP1, 2

MAX

MIN

TYP1

MAX

tPHL/tPLH

Propagation delay

nAn to nYn

1, 3

1.0

1.9

3.0

1.0

2.1

3.6

ns

tPZH/tPZL

3-State output enable time

nOE to nYn

2, 3

1.0

2.3

4.0

1.0

2.9

4.9

ns

tPHZ/tPLZ

3-State output disable time

nOE to nYn

2, 3

1.0

2.7

4.1

1.0

3.0

4.5

ns

NOTES:

1. All typical values are measured at Tamb = 25°C.

2. Typical value is measured at VCC = 3.3V

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