LH5496HU-25 データシートの表示（PDF） - Sharp Electronics

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LH5496HU-25

CMOS 512 × 9 FIFO

Sharp Electronics 

LH5496/96H

CMOS 512 × 9 FIFO

RS

RESET

LOGIC

DATA INPUTS

D0 - D8

INPUT

OUTPUT

W

PORT

PORT

R

CONTROL

DUAL-PORT

CONTROL

WRITE

POINTER

RAM

ARRAY

READ

POINTER

512 x 9

...

DATA OUTPUTS

Q0 - Q8

FLAG

EF

LOGIC

FF

FL/RT

XI

EXPANSION

LOGIC

XO/HF

5496-3

Figure 3. LH5496/96H Block Diagram

PIN DESCRIPTIONS

PIN

PIN TYPE *

DESCRIPTION

D0 – D8

Q0 – Q8

I

Input Data Bus

O/Z Output Data Bus

W

I

Write Request

R

I

Read Request

EF

O

Empty Flag

FF

O

Full Flag

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

PIN

XO/HF

XI

FL/RT

RS

VCC

VSS

PIN TYPE *

DESCRIPTION

O

Expansion Out/Half-Full Flag

I

Expansion In

I

First Load/Retransmit

I

Reset

V

Positive Power Supply

V

Ground

2

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