Dual Port RAM

Overview

Technical Documents

Ordering Info

User Comments (0)

All

Status

All versions are No Longer Available. See Ordering Information for recommended replacements.

Description

The DS1609 Dual Port RAM enables independent, simultaneous memory access from two buses with no or minimal processor arbitration required. Applications needing multiplexed, random access to memory benefit from the DS1609's fast read/write times and low power consumption.

Data Sheet

Download	Rev 1	(PDF, 82kB)
E-Mail

Key Features

Totally asynchronous 256-byte dual port memory for independent RAM control
Multiplexed address/data bus reduces pin count
Fast access time of 50ns at 5V
CMOS- and TTL-compatible
Operating range: -40°C to +85°C
Low standby current <100 nA @25°C

Reliability Reports

Reliability Report:

DS1609.pdf

Software/Models

none

Ordering Information

Filters:

Part Number:

Package:

Temperature:

Tape and Reel

Sample

Part Number	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS1609-50		N/A	No Longer Available	DS1609-50+	PDIP; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1609-50+		N/A	No Longer Available		PDIP; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1609S-50		N/A	No Longer Available	DS1609S-50+	SOIC; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1609S-50+		N/A	No Longer Available		SOIC; Land Pattern: Not Available	0°C to +70°C	See data sheet

Notes:

Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Didn't Find What You Need?

Next Day Product Selection Assistance from Applications Engineers
Parametric Search
Applications Help

Information Index

Rev 1; 1999-02-04
This page last modified: 2007-06-18