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PDM41256LA12SOITY

Description
Standard SRAM, 32KX8, 12ns, CMOS, PDSO28
Categorystorage    storage   
File Size368KB,8 Pages
ManufacturerParadigm Technology Inc
Download Datasheet Parametric View All

PDM41256LA12SOITY Overview

Standard SRAM, 32KX8, 12ns, CMOS, PDSO28

PDM41256LA12SOITY Parametric

Parameter NameAttribute value
MakerParadigm Technology Inc
package instruction,
Reach Compliance Codeunknown
ECCN codeEAR99
Maximum access time12 ns
JESD-30 codeR-PDSO-J28
memory density262144 bit
Memory IC TypeSTANDARD SRAM
memory width8
Number of functions1
Number of ports1
Number of terminals28
word count32768 words
character code32000
Operating modeASYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
organize32KX8
Output characteristics3-STATE
ExportableYES
Package body materialPLASTIC/EPOXY
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Parallel/SerialPARALLEL
Certification statusNot Qualified
Minimum standby current2 V
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal formJ BEND
Terminal locationDUAL
PDM41256
256K Static RAM
32K x 8-Bit
Features
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1
2
3
4
5
6
7
Description
The PDM41256 is a high-performance CMOS static
RAM organized as 32,768 x 8 bits. Writing to this
device is accomplished when the write enable (WE)
and the chip enable (CE) inputs are both LOW.
Reading is accomplished when WE remains HIGH
and CE and OE are both LOW.
The PDM41256 operates from a single +5V power
supply and all the inputs and outputs are fully TTL-
compatible. The PDM41256 comes in two versions:
the standard power version PDM41256SA and the
low power version PDM41256LA. Both versions are
functionally the same and differ only in their power
consumption.
The PDM41256 is available in a 28-pin plastic TSOP
(I) and a 28-pin 300-mil plastic SOJ.
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High-speed access times
Com’l: 7, 8, 10, 12 and 15ns
Ind’l: 8, 10, 12 and 15ns
(use 15ns for slower designs)
Low power operation (typical)
- PDM41256SA
Active: 475 mW
Standby: 100 mW
- PDM41256LA
Active: 425mW
Standby: 25 mW
Single +5V (±10%) power supply
TTL-compatible inputs and outputs
Packages
Plastic SOJ (300 mil) - SO
Plastic TSOP (I) - T
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n
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Functional Block Diagram
A
0
A
14
Decoder
Memory
Matrix
Addresses
8
9
10
I/O
0
I/O
7
• • • • •
Input
Data
Control
Column I/O
11
12
1
CE
WE
OE
Rev. 4.4 - 4/29/98
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