CYM1846P

CYM1846P Manufacturer

CYM1846P Description

CYM1846P Categories

CYM1846P Datasheet (PDF)

CYM1846P Price & Availability

CYM1846P Features

• High-density 16-megabit SRAM module
• 32-bit standard footprint supports from 16Kx32 through 1Mx32
• High-speed SRAMs
• Access time of 12 ns
• Low active power
• 4.4W (max.) at 12 ns
• Compatible with CYM1821, CYM1831, CYM1836, CYM1841, and CYM1851 JEDEC modules
• Available in 72-pin ZIP or SIMM/Angled SIMM

CYM1846P Description

The CYM1846 is a high-performance 16-megabit static RAM module organized as 512K words by 32 bits. This module is constructed from four 512K x 8 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 the chip selects.

The CYM1846 is designed for use with standard 72-pin SIMM socket and ZIP footprint. The pinout is compatible with the 64-pin JEDEC ZIP/SIMM module family (CYM1821, CYM1831, CYM1836, and CYM1841) and the 72-pin CYM1851. Thus, a single motherboard design can be used to accommodate memory depth ranging from 16K words (CYM1821) to 1024K words (CYM1851). The standard SIMM can be used in Angled SIMM sockets and is 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 module memory density in applications where modules with alternate word depths can be interchanged.

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