74ALVC163245GX 查看數據表（PDF） - Fairchild Semiconductor

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74ALVC163245GX

Low Voltage 16-Bit Dual Supply Translating Transceiver with 3-STATE Outputs

Fairchild Semiconductor 

Logic Diagram

Connection Diagrams

Pin Assignment for TSSOP

Pin Assignment for FBGA

(Top Thru View)

Pin Descriptions

Pin Names

OEn

T/Rn

A0–A15

B0–B15

NC

Description

Output Enable Input (Active LOW)

Transmit/Receive Input

Side A Inputs or 3-STATE Outputs

Side B Inputs or 3-STATE Outputs

No Connect

FBGA Pin Assignments

1

2

3

4

5

6

A

B0

NC T/R1 OE1 NC

A0

B

B2

B1

NC

NC

A1

A2

C

B4

B3 VCCB VCCA A3

A4

D

B6

B5 GND GND A5

A6

E

B8

B7 GND GND A7

A8

F

B10

B9 GND GND A9

A10

G

B12

B11 VCCB VCCA A11

A12

H

B14

B13

NC

NC

A13

A14

J

B15

NC T/R2 OE2

NC

A15

Truth Tables

Inputs

OE1

T/R1

L

L

L

H

H

X

Outputs

Bus B0–B7 Data to Bus A0–A7

Bus A0–A7 Data to Bus B0–B7

HIGH Z State on A0–A7, B0–B7

Inputs

OE2

T/R2

Outputs

L

L

Bus B8–B15 Data to Bus A8–A15

L

H

Bus A8–A15 Data to Bus B8–B15

H

X

HIGH-Z State on A8–A15, B8–B15

H = HIGH Voltage Level

L = LOW Voltage Level

X = Immaterial (HIGH or LOW, inputs may not float)

Z = High Impedance

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