pdm41256 ETC-unknow, pdm41256 Datasheet

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pdm41256

Manufacturer Part Number
pdm41256
Description
256k Static Ram 32k X 8-bit
Manufacturer
ETC-unknow
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
pdm41256L35D
Manufacturer:
PARADIGM
Quantity:
10
Part Number:
pdm41256LA15L32BC
Manufacturer:
IDT
Quantity:
8
Part Number:
pdm41256LA35L32BC
Manufacturer:
U
Quantity:
3
Part Number:
pdm41256S20D
Manufacturer:
PARIGM
Quantity:
2 600
Part Number:
pdm41256S20D
Manufacturer:
PARIGM
Quantity:
1 500
Features
Functional Block Diagram
Rev. 2.0 - 7/17/96
High-speed access times
Com’l: 7, 8, 10, 12, and 15 ns
Ind’l: 8, 10, 12, and 15 ns
Low power operation (typical)
- PDM41256SA
- PDM41256LA
Single +5V (±10%) power supply
TTL-compatible inputs and outputs
Packages
Plastic SOJ (300 mil) - TSO
Plastic TSOP - T
Active: 400 mW
Standby: 150 mW
Active: 350 mW
Standby: 25 mW
Description
The PDM41256 is a high-performance CMOS static
RAM organized as 32,768 x 8 bits. This product is
produced
technology which offers the designer the highest
speed parts. 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 a low
power version the PDM41256LA. The two versions
are functionally the same and only differ in their
power consumption.
The PDM41256 is available in a 28-pin plastic TSOP
and a 28-pin 300-mil plastic SOJ.
in
Paradigm’s
256K Static RAM
proprietary
PDM41256
32K x 8-Bit
CMOS
3-33
10
11
12
1
2
3
4
5
6
7
8
9

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pdm41256 Summary of contents

Page 1

... The PDM41256 comes in two versions, the standard power version PDM41256SA and a low power version the PDM41256LA. The two versions are functionally the same and only differ in their power consumption. The PDM41256 is available in a 28-pin plastic TSOP and a 28-pin 300-mil plastic SOJ. PDM41256 32K x 8-Bit 1 ...

Page 2

... H L Hi-Z Output Disable , DON’T CARE IH IL (1) Com’l. –0.5 to +7.0 –55 to +125 –55 to +125 1.0 50 Min. 4 –40 PDM41256 Pin Description Name Description A14-A0 Address Inputs I/O7-I/O0 Data Inputs/Outputs OE Output Enable Input WE Write Enable Input CE Chip Enable Input V Power (+5V Ground SS MODE ...

Page 3

... Com’l. SA 210 200 210 190 LA 190 180 190 170 ( +25° 1.0 MHz) A PDM41256 PSM41256SA PSM41256LA Min. Max. Min. Max. –5 5 –5 5 –5 5 –5 5 (1) (1) –0.5 0.8 –0.5 0.8 2.2 6.0 2.2 6.0 — 0.4 — 0.4 — 0.5 — 0.5 2.4 — ...

Page 4

... Input pulse levels Input rise and fall times Input timing reference levels Output reference levels Output load Figure 1. Output Load Equivalent 3- 3. 1.5V 1.5V See Figures 1 and 2 Figure 2. Output Load Equivalent (for LZCE HZCE LZWE HZWE t ) HZOE Figure 3. PDM41256 , LZOE Rev. 2.0 - 7/17/96 ...

Page 5

... ACE LZCE HZCE AOE LZOE HZOE PDM41256 -12 - ...

Page 6

... LZWE HZWE PDM41256 (6) -12 - Rev. 2.0 - 7/17/96 ...

Page 7

... Test Conditions Min – 0. — – 0. — 0. less than t . HZCE LZCE PDM41256 Typ. Max. Unit — — 500 µA 350 750 µA — — — — ...

Page 8

... Ordering Information 3-40 PDM41256 Rev. 2.0 - 7/17/96 ...

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