P4C1049-70FS36I datasheet, PDF

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P4C1049-70FS36I: DescriptionHIGH SPEED 512K x 8 STATIC CMOS RAM; Categorystorage storage; File Size211KB，12 Pages; ManufacturerPyramid Semiconductor Corporation; Websitehttp://www.pyramidsemiconductor.com/

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P4C1049-70FS36I Overview

HIGH SPEED 512K x 8 STATIC CMOS RAM

P4C1049-70FS36I Parametric

Parameter Name	Attribute value
Maker	Pyramid Semiconductor Corporation
Reach Compliance Code	compliant
Memory IC Type	STANDARD SRAM
Base Number Matches	1

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P4C1049/P4C1049L

HIGH SPEED 512K x 8

STATIC CMOS RAM

FEATURES

High Speed (Equal Access and Cycle Times)

— 15/20/25 ns (Commercial)

— 20/25/35 ns (Industrial)

— 20/25/35/45/55/70 ns (Military)

Low Power

Single 5V±10% Power Supply

Easy Memory Expansion Using

and

Inputs

Common Data I/O

Three-State Outputs

Fully TTL Compatible Inputs and Outputs

Advanced CMOS Technology

Automatic Power Down

Packages

—36-Pin SOJ (400 mil)

—36-Pin FLATPACK

—36-Pin LCC (452 mil x 920 mil)

DESCRIPTION

The P4C1049 is a 4 Megabit high-speed CMOS

static RAM organized as 512Kx8. The CMOS memory

requires no clocks or refreshing, and has equal access

and cycle times. Inputs are fully TTL-compatible. The

RAM operates from a single 5V±10% tolerance power

supply.

Access times as fast as 15 nanoseconds permit greatly

enhanced system operating speeds. CMOS is utilized

to reduce power consumption to a low level. The P4C1049

is a member of a family of PACE RAM™ products offer-

ing fast access times.

The P4C1049 device provides asynchronous operation

with matching access and cycle times. Memory loca-

tions are specified on address pins A

to A

. Reading is

accomplished by device selection (CE) and output en-

abling (OE) while write enable (WE) remains HIGH. By

presenting the address under these conditions, the data

in the addressed memory location is presented on the

data input/output pins. The input/output pins stay in the

HIGH Z state when either

is HIGH or

LOW.

FUNCTIONAL BLOCK DIAGRAM

PIN CONFIGURATIONS

SOLDER-SEAL

FLATPACK (FS-4)

SOJ (J9)

LCC (L11)

1519B

Document #

SRAM128

REV OR

Revised October 2005

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