CYM1836

Features: • High-density 4-megabit 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-2.6W (max.) at 20 ns• SMD technology• TTL-compatible inputs and outputs•...

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CYM1836 Picture
SeekIC No. : 004320639 Detail

CYM1836: Features: • High-density 4-megabit 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 ac...

floor Price/Ceiling Price

Part Number:
CYM1836
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/3/27

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Product Details

Description



Features:

• High-density 4-megabit 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
-2.6W (max.) at 20 ns
• SMD technology
• TTL-compatible inputs and outputs
• Low profile
-Max. height of 0.57 in.
• Small PCB footprint
-0.78 sq. in.
• Available in SIMM, ZIP format. SIMM suitable for vertical or angled sockets.



Pinout

  Connection Diagram


Specifications

Storage Temperature ...........................................................................55°C to +125°C
Ambient Temperature with Power Applied ..............................................10°C to +85°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



Description

The CYM1836 is a high-performance 4-megabit static RAM module organized as 128K words by 32 bits. The CYM1836 is constructed from four 128K x 8 SRAMs in SOJ packages  mounted on an epoxy laminate board with pins. Four chip selects (CS1, CS2, CS3, 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 Select (CS) and Write Enable (WE) inputs of the CYM1836  are both LOW. Data on the input/output pins (I/O) is written into the memory location specified on the address pins (A0 through A16).
Reading the CYM1836 is accomplished by taking the Chip Select (CS) 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/O).
The data input/output pins of the CYM1836 stay at the high-impedance state when write enable is LOW or the appropriate chip selects are HIGH.
Two pins (PD0 and PD1) of the CYM1836 are used to identify module memory density in applications where alternate versions of the JEDEC-standard modules can be interchanged.


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