DS1249AB-85# Maxim Integrated Products, DS1249AB-85# Datasheet - Page 8
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DS1249AB-85#
Manufacturer Part Number
DS1249AB-85#
Description
IC NVSRAM 2048KBIT 85NS 32DIP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1249AB-85.pdf
(9 pages)
Specifications of DS1249AB-85#
Format - Memory
RAM
Memory Type
NVSRAM (Non-Volatile SRAM)
Memory Size
2M (256K x 8)
Speed
85ns
Interface
Parallel
Voltage - Supply
4.75 V ~ 5.25 V
Operating Temperature
0°C ~ 70°C
Package / Case
32-DIP Module (600 mil), 32-EDIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
DC TEST CONDITIONS
Outputs Open
Cycle = 200 ns for operating current
All voltages are referenced to ground
ORDERING INFORMATION
DS1249AB-70#
DS1249AB-70IND#
DS1249Y-70#
DS1249Y-70IND#
#Denotes a RoHS-compliant device that may include lead(Pb) that is exempt under the RoHS requirements.
PACKAGE INFORMATION
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix
character, but the drawing pertains to the package regardless of RoHS status.
PACKAGE TYPE
PART
32 EDIP
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
PACKAGE CODE
MDT32#7
TOLERANCE
5V ± 10%
5V ± 10%
SUPPLY
5V ± 5%
5V ± 5%
8 of 9
AC TEST CONDITIONS
Output Load: 100 pF + 1TTL Gate
Input Pulse Levels: 0 - 3.0V
Timing Measurement Reference Levels
Input pulse Rise and Fall Times: 5 ns
OUTLINE NO.
Input: 1.5V
Output: 1.5V
21-0245
PIN-PACKAGE
32 740 EDIP
32 740 EDIP
32 740 EDIP
32 740 EDIP
LAND PATTERN NO.
SPEED GRADE
Note that a “+”,
—
(ns)
DS1249Y/AB
70
70
70
70