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CYM1851V33

Features: • High-density 3.3V 32-megabit SRAM module• 32-bit Standard Footprint supports densities from 16K x 32 through 1M x 32• High-speed SRAMs -Access time of 12 ns• Low active power -3.3W (max.) at 12 ns• 72 pins• Available in ZIP, SIMM, or angled SIMM form...

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SeekIC No. : 004320649 Detail

CYM1851V33: Features: • High-density 3.3V 32-megabit SRAM module• 32-bit Standard Footprint supports densities from 16K x 32 through 1M x 32• High-speed SRAMs -Access time of 12 ns• Low ...

CYM1851V33 Data Sheet

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Part Number:
CYM1851V33
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• High-density 3.3V 32-megabit SRAM module
• 32-bit Standard Footprint supports densities from 16K x 32 through 1M x 32
• High-speed SRAMs
   -Access time of 12 ns
• Low active power
   -3.3W (max.) at 12 ns
• 72 pins
• Available in ZIP, SIMM, or angled SIMM format


Pinout

Connection Diagram


Specifications

(Above which the useful life may be impaired. For user guidelines, not tested.)
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 +4.6V
DC Voltage Applied to Outputs
in High Z State ............................................ 0.5V to +VCC
DC Input Voltage.........................................0.5V to +4.6V


Description

The CYM1851V33 is a 3.3V high-performance 32-megabit static RAM module organized as 1,024K words by 32 bits. The CYM1851V33is constructed from eight 1,024K x 4 SRAMs in SOJ packages mounted on an epoxy laminate substrate. Four chip selects 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.

The CYM1851V33 is designed for use with standard 72-pin SIMM sockets. The pinout is downward compatible with the 64-pin JEDEC ZIP/SIMM module family (CYM1821, CYM1831, CYM1836, and CYM1841). Thus, a single motherboard design can be used to accommodate memory depth ranging from 16K words (CYM1821) to 1,024K words (CYM1851). The CYM1851V33 is offered in vertical and angled SIMM configurations and both are available with either tin-lead or 10 micro-inches of gold flash on the edge contacts.

Presence detect pins (PD0−PD3) are used to identify the CYM1851V33's memory density in applications where modules with alternate word depths can be interchanged.




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