LH543620P-25 Ver la hoja de datos (PDF) - Sharp Electronics

Número de pieza

componentes Descripción

Fabricante

LH543620P-25

1024 × 36 Synchronous FIFO

Sharp Electronics 

1024 × 36 Synchronous FIFO

PIN DESCRIPTIONS (SUMMARY)

PIN NAME

PIN

TYPE *

DESCRIPTION

D[35:0]

DATABUS

I 36-Bit Input-Port Databus

Q[15:0]

Q[35:16]

I/O/Z Three-State 36-Bit Output-

O/Z Port Databus

CLOCKS

CKI

I Input-Port Clock

CKO

I Output-Port Clock

ASYNCHRONOUS CONTROL

RS

OE

BYE

CAPR

I Master Reset

I

Output Enable

I Data-Bypass Enable

I

Command-Address Port

Reference

CONTROL SIGNALS SYNCHRONOUS

TO THE INPUT CLOCK

ENI1,ENI2

ADI[2:0]

WSI[1:0]

I Input-Port Enables

I Input-Port Address

I

Input-Port Word-Width

Selection

STATUS FLAGS SYNCHRONOUS

TO THE INPUT CLOCK

FF

O Full Flag

AF

O Almost-Full Flag

HF 1

O Half-Full Flag

MFF

O Mailbox-Full Flag

* I = Input, O = Output, V = Voltage, Z = High-Impedance

1. The half-full flag is user-selectable to be synchronized to either

CKI or CKO.

LH543620

PIN NAME

PIN

TYPE *

DESCRIPTION

CONTROL SIGNALS SYNCHRONOUS

TO THE OUTPUT CLOCK

ENO1,ENO2

I Output-Port Enables

ADO[2:0]

I Output-Port Address

WSO[1:0]

I

Output-Port Word-Width

Selection

RTMD[1:0]

I Retransmit Mode Control

RT

I Retransmit

STATUS FLAGS SYNCHRONOUS

TO THE OUTPUT CLOCK

AE

O Almost-Empty Flag

EF

O Empty Flag

PF

MEF

O Parity-Error Flag

O Mailbox-Empty Flag

VOLTAGES AND GROUNDS

VCC

V Positive Power

VSS

V Ground

3

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