DS1225Y-150+ Maxim Integrated Products, DS1225Y-150+ Datasheet - Page 7

• Manufacturer Part Number: DS1225Y-150+
• Description: IC NVSRAM 64KBIT 150NS 28DIP
• Manufacturer: Maxim Integrated Products

Specifications of DS1225Y-150+

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 64K (8K x 8)
• Speed: 150ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-DIP Module (600 mil), 28-EDIP
• Data Bus Width: 8 bit
• Organization: 8 K x 8
• Interface Type: Parallel
• Access Time: 150 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8. If WE is low or the WE low transition occurs prior to or simultaneously with the CE low transition,
9. Each DS1225Y is marked with a 4-digit date code AABB. AA designates the year of manufacture.
10. All AC and DC electrical characteristics are valid over the full operating temperature range. For
11. In a power down condition the voltage on any pin may not exceed the voltage on V
12. t
13. t
14. DS1225Y modules are recognized by Underwriters Laboratories (UL) under file E99151 (R).
DC TEST CONDITIONS
Outputs open.
All voltages are referenced to ground.
ORDERING INFORMATION
DS1225Y-150+
DS1225Y-
150IND+
+Denotes a lead(Pb)-free/RoHS-compliant package.
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.
NOT RECOMMENDED FOR NEW DESIGNS
PACKAGE TYPE
the output buffers remain in a high-impedance state during this period.
BB designates the week of manufacture. The expected t
manufacture.
commercial products, this range is 0°C to 70°C. For industrial products (IND), this range is -40°C to
+85°C.
WR1
WR2
PART
28 EDIP
, t
, t
DH1
DH2
are measured from WE going high.
are measured from CE going high.
TEMP RANGE
-40°C to +85°C
0°C to +70°C
PACKAGE CODE
MDT28+2
TOLERANCE
5V ± 10%
5V ± 10%
SUPPLY
7 of 8
AC TEST CONDITIONS
Output Load: 100pF + 1TTL Gate
Input Pulse Levels: 0-3.0V
Timing Measurement Reference Levels
Input Pulse Rise and Fall Times: 5ns
OUTLINE NO.
21-0245
DR
Input:1.5V Output: 1.5V
SPEED GRADE
is defined as starting at the date of
(ns)
150
150
LAND PATTERN NO.
PIN-PACKAGE
28 720 EDIP
28 720 EDIP
CC
.
Note that a “+”,
—
DS1225Y