CYM1831, CYM1831PZ-20C, CYM1831PZ-25C Selling Leads, Datasheet
MFG:N/A Package Cooled:N/A D/C:09+
CYM1831, CYM1831PZ-20C, CYM1831PZ-25C Datasheet download
Part Number: CYM1831
MFG: N/A
Package Cooled: N/A
D/C: 09+
CYM1831, CYM1831PZ-20C, CYM1831PZ-25C
- Table of contents:
Info of CYM1831
Info of CYM1831PZ-20C
Info of CYM1831PZ-25C
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About CYM1831
PDF/DataSheet Download
Datasheet: CYM1831
File Size: 252808 KB
Manufacturer: CYPRESS [Cypress Semiconductor]
Download : Click here to Download
About CYM1831PZ-20C
PDF/DataSheet Download
Datasheet: CYM1831PZ-20C
File Size: 252808 KB
Manufacturer: CYPRESS [Cypress Semiconductor]
Download : Click here to Download
About CYM1831PZ-25C
PDF/DataSheet Download
Datasheet: CYM1831PZ-25C
File Size: 252808 KB
Manufacturer: CYPRESS [Cypress Semiconductor]
Download : Click here to Download
CYM1831 Parameters
- High-density 2-Mbit SRAM module
- 32-bit standard footprint supports densities from 16K x 32 through 1M x 32
- High-speed CMOS SRAMs
- Access time of 15 ns
- Low active power
- 5.3W (max.)
- SMD technology
- TTL-compatible inputs and outputs
- Low profile
- Max. height of 0.50 in.
- Small PCB footprint
- 1.2 sq. in.
CYM1831 General Description
The CYM1831 is a high-performance 2-Mbit static RAM module organized as 64K words by 32 bits. This module is constructed from eight 64K x 4 SRAMs in SOJ packages mounted on an epoxy laminate board with pins. Four chip selects (CS1, CS2, CS3, and CS4) are used to independently enable the four bytes. Reading or writing can be executed on individual bytes or any combination of multiple bytes through proper use of selects.
Writing to each byte is accomplished when the appropriate Chip Selects (CSN) and Write Enable (WE) inputs are both LOW. Data on the input/output pins (I/OX) is written into the memory location specified on the address pins (A0 through A15).
Reading the device is accomplished by taking the Chip Selects (CSN) LOW and Output Enable (OE) LOW while Write Enable (WE) remains HIGH. Under these conditions the contents of the memory location specified on the address pins will appear on the data input/output pins (I/OX).
The data input/output pins stay in the high-impedance state when Write Enable (WE) is LOW or the appropriate chip selects are HIGH.
Two pins (PD0 and PD1) are used to identify module memory density in applications where alternate versions of the JEDEC-standard modules can be interchanged.
Writing to each byte is accomplished when the appropriate Chip Selects (CSN) and Write Enable (WE) inputs are both LOW. Data on the input/output pins (I/OX) is written into the memory location specified on the address pins (A0 through A15).
Reading the device is accomplished by taking the Chip Selects (CSN) LOW and Output Enable (OE) LOW while Write Enable (WE) remains HIGH. Under these conditions the contents of the memory location specified on the address pins will appear on the data input/output pins (I/OX).
The data input/output pins stay in the high-impedance state when Write Enable (WE) is LOW or the appropriate chip selects are HIGH.
Two pins (PD0 and PD1) are used to identify module memory density in applications where alternate versions of the JEDEC-standard modules can be interchanged.
CYM1831 Maximum Ratings
Storage Temperature ...............................................65°C to +150°C
Ambient Temperature with Power Applied................ 55°C to +125°C
Supply Voltage to Ground Potential ............................... 0.5V to +7.0V
DC Voltage Applied to Outputs in High Z State .............. 0.5V to +7.0V
DC Input Voltage............................................................ 0.5V to +7.0V
Output Current into Outputs (LOW) ..............................................20 mA
Ambient Temperature with Power Applied................ 55°C to +125°C
Supply Voltage to Ground Potential ............................... 0.5V to +7.0V
DC Voltage Applied to Outputs in High Z State .............. 0.5V to +7.0V
DC Input Voltage............................................................ 0.5V to +7.0V
Output Current into Outputs (LOW) ..............................................20 mA
CYM1831 Features
- High-density 2-Mbit SRAM module
- 32-bit standard footprint supports densities from 16K x 32 through 1M x 32
- High-speed CMOS SRAMs
- Access time of 15 ns
- Low active power
- 5.3W (max.)
- SMD technology
- TTL-compatible inputs and outputs
- Low profile
- Max. height of 0.50 in.
- Small PCB footprint
- 1.2 sq. in.
CYM1831 Typical Application
CYM1831 Datasheet
CYM1831 Connection Diagram
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