74ALVT16899 datasheet(3/20 Pages) PHILIPS

номер детали	74ALVT16899

подробное описание детали	2.5V/3.3V 18-bit latched transceiver with 16-bit parity generator/checker 3-State

PDF	20 Pages

Scroll/Zoom	100%

производитель	PHILIPS [NXP Semiconductors]

домашняя страница	http://www.nxp.com

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Philips Semiconductors

Product specification

74ALVT16899

2.5V/3.3V 18-bit latched transceiver with 16-bit parity

generator/checker (3-State)

1998 Jun 30

PIN CONFIGURATION

SV01731

GND

1B6

SEL

GND

OEA

ODD/EVEN

1A6

1A3

1B3

2A7

2B7

2A4

2B4

2B1

OEB

2A1

LEB

2A0

1A0

1A1

1A2

1A4

VCC

1A5

1A7

1APAR

1ERRA

GND

2ERRA

2APAR

2A6

2A5

VCC

2A3

2A2

GND

LEA

1B0

1B2

1B1

1B4

VCC

1B5

1B7

1BPAR

1ERRB

GND

2ERRB

2BPAR

2B6

2B5

VCC

2B3

2B2

GND

2B0

PIN DESCRIPTION

SYMBOL

NUMBER

NAME AND FUNCTION

1A0 - 1A7

2A0 - 2A7

3, 5, 6, 7, 8, 10, 11, 12

27, 25, 24, 23, 22, 20, 19, 18

Latched A bus 3-State inputs/outputs

1B0 - 1B7

2B0 - 2B7

54, 52, 51, 50, 49, 47, 46, 45

30, 32, 33, 34, 35, 37, 38, 39

Latched B bus 3-State inputs/outputs

1APAR

2APAR

13, 17

A bus parity 3-State input/output

1BPAR

2BPAR

44, 40

B bus parity 3-State input/output

ODD/EVEN

Parity select input (Low for EVEN parity)

OEA, OEB

2, 29

Output enable inputs (gate A to B,

B to A)

SEL

Mode select input (Low for generate)

LEA, LEB

55, 28

Latch enable inputs (transparent High)

1ERRA, 1ERRB

2ERRA, 2ERRB

14, 43,

16, 41

Error signal outputs (active-Low)

GND

4, 15, 26, 31, 42, 53

Ground (0V)

VCC

9, 21, 36, 48

Positive supply voltage

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