TM124BBK32, TM124BBK32S 1048576 BY 32-BIT TM248CBK32, TM248CBK32S 2097152 BY 32-BIT DYNAMIC RAM MODULE

SMMS132D - JANUARY 1991 - REVISED JUNE 1995

features

Organization TM124BBK32...1048576 × 32 TM248CBK32...2 097 152 × 32
Single 5-V Power Supply (±10 % Tolerance)
72-pin Single In-Line Memory Module (SIMM) for Use With Sockets
TM124BBK32-Utilizes Eight 4-Megabit DRAMs in Plastic Small-Outline J-Lead (SOJ) Packages
TM248CBK32-Utilizes Sixteen 4-Megabit DRAMs in Plastic Small-Outline J-Lead (SOJ) Packages
Distributed Refresh Period 16 ms (1024 Cycles)
All Inputs, Outputs, Clocks Fully TTL Compatible
3-State Output
Common CAS\ Control for Eight Common Data-In and Data-Out Lines, In Four Blocks
Presence Detect
Performance Ranges:
Low Power Dissipation
Operating Free-Air-Temperature Range 0°C to 70°C
Gold-Tabbed Versions Available:
- TM124BBK32
- TM248CBK32
Tin-Lead (Solder) Tabbed Versions Available:
- TM124BBK32S
- TM248CBK32S

description

TM124BBK32

The TM124BBK32 is a dynamic random-access memory (DRAM) organized as four times 1048576 × 8 in a 72-pin leadless single in-line memory module (SIMM). The SIMM is composed of eight TMS44400, 1048576 × 4-bit DRAMs, each in 20/26-lead plastic SOJ packages, mounted on a substrate together with decoupling capacitors. Each TMS44400 is described in the TMS44400 data sheet.

The TM124BBK32 is available in the single-sided BK leadless module for use with sockets.

The TM124BBK32 features RAS\ access times of 60 ns, 70 ns and 80 ns. This device is rated for operation from 0°C to 70°C

TM248CBK32

The TM248CBK32 is a dynamic random-access memory organized as four times 2097152 × 8 in a 72-pin leadless SIMM. The SIMM is composed of sixteen TMS44400, 1048576 × 4-bit dynamic RAMs, each in 20/26-lead plastic SOJ packages SOJs, mounted on a substrate together with decoupling capacitors. Each TMS44400 is described in the TMS44400 data sheet.

The TM248CBK32 is available in the double-sided BK leadless module for use with sockets.

The TM248CBK32 features RAS\ access times of 60 ns, 70 ns and 80 ns. This device is rated for operation from 0°C to 70°C

Title: 1 048 576, 2 097 152 BY 32-BIT DRAM MODULE
Product Family: SIMM
Device Functionality: 8M(2MX32), SIMM
Orderable Devices: TM124BBK32-60, TM124BBK32-70, TM124BBK32S-60, TM124BBK32S-70, TM248CBK32-60, TM248CBK32-70, TM248CBK32S-60, TM248CBK32S-70

View the complete PDF datasheet: smms132d.pdf (158 K Bytes) (Requires Acrobat Reader 3.x)

View more information about generic part numbers:TM124BBK32, TM124BBK32S, TM248CBK32, TM248CBK32S

Go to the Engineering Design Center to locate information on other TI Semiconductor devices.