DS1249Y-70# Maxim Integrated Products, DS1249Y-70# Datasheet - Page 8

• Manufacturer Part Number: DS1249Y-70#
• Description: IC NVSRAM 2MBIT 70NS 32DIP
• Manufacturer: Maxim Integrated Products

Specifications of DS1249Y-70#

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 2M (256K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-DIP Module (600 mil), 32-EDIP
• Data Bus Width: 8 bit
• Organization: 256 K x 8
• Interface Type: Parallel
• Access Time: 70 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Operating Current: 85 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• 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