4M-bit x 2 MULTIPLE FIELD MEMORY

R8A66120FFA

Rev.1.70

May.16.2008

REJ03F0161-0170 Rev.1.70 May.16.2008

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Description

R8A66120FFA is high-speed field memory with two FIFO (First In First Out) memories of

4M-bit, which uses high-performance silicon gate process technology.

Features

•Total memory Capacity

8Mega-bit

•High speed operation

cycle time

10.0ns(Min.)

fmax = 100MHz

output access time 6.0ns(Max.)

•Output hold time

1.0ns(Min.)

•Supply voltage

3.3 ± 0.3V

•Variable length delay bit

•Synchronous write/read operation

•3 states output

•Package

PLQP0048KB-A (48P6Q-A)

( 48pins 7x7mm body LQFP )

Application

W-CDMA base station, Digital PPC, Digital TV,VTR and so on.

1024K-word

4bit bus I/F

DB<3:0>

1024K-w

X

4-bit

FIFO

4

4

CKB

QB<3:0>

WEB

WRESB

RRESB

REB

DA<3:0>

1024K-w

X

4-bit

FIFO

4

4

CKA

QA<3:0>

WEA

WRESA

RRESA

REA

The 2 pieces of 1024K-word x 4-bit

FIFO can be operated completely

independently.

2-system individual input

2-system individual output

1K-word = 1024-words

Mode Descriptions

Pin Configuration (Top view)

Outline: PLQP0048KB-A (48P6Q-A)