74ABT245 datasheet(4/10 Pages) PHILIPS

Numer części	74ABT245

Szczegółowy opis	Octal transceiver with direction pin 3-State

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Philips Semiconductors

Product specification

74ABT245

Octal transceiver with direction pin (3-State)

1998 Jan 16

4

RECOMMENDED OPERATING CONDITIONS

SYMBOL

PARAMETER

LIMITS

UNIT

SYMBOL

PARAMETER

Min

Max

UNIT

VCC

DC supply voltage

4.5

5.5

V

VI

Input voltage

0

VCC

V

VIH

High-level input voltage

2.0

V

VIL

Low-level Input voltage

0.8

V

IOH

High-level output current

–32

mA

IOL

Low-level output current

64

mA

∆t/∆v

Input transition rise or fall rate

0

5

ns/V

Tamb

Operating free-air temperature range

–40

+85

°C

DC ELECTRICAL CHARACTERISTICS

LIMITS

SYMBOL

PARAMETER

TEST CONDITIONS

Tamb = +25°C

Tamb = –40°C

to +85

°C

UNIT

Min

Typ

Max

Min

Max

VIK

Input clamp voltage

VCC = 4.5V; IIK = –18mA

–0.9

–1.2

V

VCC = 4.5V; IOH = –3mA; VI = VIL or VIH

2.5

2.9

2.5

V

VOH

High-level output voltage

VCC = 5.0V; IOH = –3mA; VI = VIL or VIH

3.0

3.4

3.0

V

VCC = 4.5V; IOH = –32mA; VI = VIL or VIH

2.0

2.4

2.0

V

VOL

Low-level output voltage

VCC = 4.5V; IOL = 64mA; VI = VIL or VIH

0.42

0.55

V

II

Input leakage

Control pins

VCC = 5.5V; VI = GND or 5.5V

±0.01

±1.0

µA

current

Data pins

VCC = 5.5V; VI = GND or 5.5V

±5

±100

µA

IOFF

Power-off leakage current

VCC = 0.0V; VI or VO ≤ 4.5V

±5.0

±100

µA

IPU/IPD

Power-up/down 3-State

output current3

VCC = 2.0V; VO = 0.5V; VI = GND or VCC;

VOE = Don’t care

±5.0

±50

µA

IIH + IOZH

3-State output High current

VCC = 5.5V; VO = 2.7V; VI = VIL or VIH

5.0

50

µA

IIL + IOZL

3-State output Low current

VCC = 5.5V; VO = 0.5V; VI = VIL or VIH

–5.0

–50

µA

ICEX

Output high leakage current

VCC = 5.5V; VO = 5.5V; VI = GND or VCC

5.0

50

µA

IO

Output current1

VCC = 5.5V; VO = 2.5V

–40

–100

–180

–40

–180

mA

ICCH

VCC = 5.5V; Outputs High, VI = GND or VCC

50

250

µA

ICCL

Quiescent supply current

VCC = 5.5V; Outputs Low, VI = GND or VCC

24

30

mA

ICCZ

VCC = 5.5V; Outputs 3-State;

VI = GND or VCC

50

250

µA

Outputs enabled, one input at 3.4V, other

inputs at VCC or GND; VCC = 5.5V

0.5

1.5

mA

∆ICC

Additional supply current per

input pin2

Outputs 3-State, one data input at 3.4V, other

inputs at VCC or GND; VCC = 5.5V

50

250

µA

Outputs 3-State, one enable input at 3.4V,

other inputs at VCC or GND; VCC = 5.5V

0.5

1.5

mA

NOTES:

1. Not more than one output should be tested at a time, and the duration of the test should not exceed one second.

2. This is the increase in supply current for each input at 3.4V.

3. This parameter is valid for any VCC between 0V and 2.1V with a transition time of up to 10msec. For VCC = 2.1V to VCC = 5V"10%, a

transition time of up to 100

µsec is permitted.

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