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Status

All versions are being discontinued and are subject to Last Time Buy, after which new orders can not be placed.

Data Sheet

FULL DATA SHEET (PDF, 82kB) Download   E-Mail

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.

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

Application Notes

Application Note 62: Dual Port RAM - DS1609

Reliability Reports

Reliability Report: DS1609.pdf

Software/Models

none

Ordering Information

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. More: SeeFull Data Sheet or Part 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.

Devices: 1-4 of 4

DS1609	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS1609-50		N/A	Last Time Buy	Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1609-50+		N/A	Last Time Buy	Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1609S-50		N/A	Last Time Buy	Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1609S-50+		N/A	Last Time Buy	Land Pattern: Not Available	0°C to +70°C	See data sheet

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