Purchase DS1250AB, In-stock DS1250AB From SeekIC.
Part Number: DS1250AB
Description: The DS1250 4096k Nonvolatile SRAMs are 4,194,304-bit, fully static, nonvolatile SRAMs organized as 524,288 words by 8 b...
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DS1250AB
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DataSheet
General Description
DS1250AB General Description
The DS1250 4096k Nonvolatile SRAMs are 4,194,304-bit, fully static, nonvolatile SRAMs organized as 524,288 words by 8 bits. Each complete NV SRAM has a self-contained lithium energy source and control circuitry which constantly monitors VCC for an out-of-tolerance condition. When such a condition occurs, the lithium energy source is automatically switched on and write protection is unconditionally enabled to prevent data corruption. DIP-package DS1250 devices can be used in place of existing 512k x8 static RAMs directly conforming to the popular byte-wide 32-pin DIP standard. DS1250 devices in thePowerCap Module package are directly surface mountable and are normally paired with a DS9034PC PowerCap to form a complete Nonvolatile SRAM module. There is no limit on the number of write cycles that can be executed and no additional support circuitry is required for microprocessor interfacing.
DS1250AB Maximum Ratings
Voltage on Any Pin Relative to Ground -0.3V to +7.0V
Operating Temperature 0°C to 70°C, -40°C to +85°C for IND parts
Storage Temperature -40°C to +70°C, -40°C to +85°C for IND parts
Soldering Temperature 260°C for 10 seconds
Operating Temperature 0°C to 70°C, -40°C to +85°C for IND parts
Storage Temperature -40°C to +70°C, -40°C to +85°C for IND parts
Soldering Temperature 260°C for 10 seconds
DS1250AB Features
10 years minimum data retention in the absence of external power
Data is automatically protected during power loss
Replaces 512k x 8 volatile static RAM,EEPROM or Flash memory
Unlimited write cycles
Low-power CMOS
Read and write access times as fast as 70 ns
Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time
Full ±10% VCC operating range (DS1250Y)
Optional ±5% VCC operating range (DS1250AB)
Optional industrial temperature range of -40°C to +85°C, designated IND
JEDEC standard 32-pin DIP package
New PowerCap Module (PCM) package
- Directly surface-mountable module
- Replaceable snap-on PowerCap provides lithium backup battery
- Standardized pinout for all nonvolatile SRAM products
- Detachment feature on PCM allows easy
removal using a regular screwdriver
DS1250AB Connection Diagram
DS1250AB
PDF/DataSheet Download
- Datasheet: DS1250AB
- File Size: 266240 KB
- Manufacturer: MAXIM
- Click here to Download
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DS1250AB Relative Products
DS12504096k
DS1249Y-85IND#
IC SRAM NV 2MB 5% 85NS 32-DIP
DS1249Y-85IND
IC SRAM NV 2MEG 10%85NS 32-DIP
DS1249Y-85
IC SRAM NV 2MEG 10% 85NS 32-DIP
DS1249Y-70IND#
IC SRAM NV 2MB 5% 70NS 32-DIP
DS1249Y-70IND
IC SRAM NV 2MEG 10%100NS 32DIP
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