Datasheet > TM497BBK32I

TM497BBK32I

更新时间： 2024-11-13 02:58:31

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德州仪器 - TI		/
页数	文件大小	规格书
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描述
DYNAMIC RAM MODULES

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数据手册

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TM497BBK32I 数据手册

TM497BBK32H, TM497BBK32I 4194304 BY 32-BIT

TM893CBK32H, TM893CBK32I 8388608 BY 32-BIT

DYNAMIC RAM MODULES

SMMS675A – MARCH 1997 – REVISED APRIL 1997

Organization

Presence Detect

– TM497BBK32H/I: 4194304 x 32

– TM893CBK32H/I: 8388608 x 32

Performance Ranges:

ACCESS ACCESS ACCESS

READ

Single 5-V Power Supply (±10% Tolerance)

TIME TIME TIME

WRITE

CAC

RAC

72-Pin Single-In-Line Memory Module

(SIMM) for Use With Sockets

CYCLE

(MIN)

(MAX)

’497BBK32H/I-50 50 ns

’497BBK32H/I-60 60 ns

’497BBK32H/I-70 70 ns

(MAX)

25 ns

30 ns

35 ns

(MAX)

13 ns

TM497BBK32H/I – Uses Eight 16M-Bit

Dynamic Random-Access Memory (DRAM)

Devices in Plastic Small-Outline J-Lead

(SOJ) Packages

90 ns

110 ns

130 ns

15 ns

18 ns

’893CBK32H/I-50 50 ns

’893CBK32H/I-60 60 ns

’893CBK32H/I-70 70 ns

25 ns

30 ns

35 ns

13 ns

15 ns

18 ns

90 ns

110 ns

130 ns

TM893CBK32H/I – Uses Sixteen 16M-Bit

DRAMs in Plastic SOJ Packages

Long Refresh Period

32 ms (2 048 Cycles)

Low Power Dissipation

Operating Free-Air Temperature Range

All Inputs, Outputs, Clocks Fully

TTL-Compatible

0°C to 70°C

†

Gold-Tabbed Version Available:

3-State Output

TM497BBK32H, TM893CBK32H

Common CAS Control for Eight Common

Data-In and Data-Out Lines in Four Blocks

Tin-Lead (Solder-) Tabbed Version

Available: TM497BBK32I, TM893CBK32I

Enhanced Page Mode Operation With

CAS-Before-RAS (CBR), RAS-Only, and

Hidden Refresh

description

The TM497BBK32H/I is a 16M-byte dynamic random-access memory (DRAM) device organized as 4 ×

4194304 × 8 bits in a 72-pin leadless single-in-line memory module (SIMM). The SIMM is composed of eight

TMS417400ADJ, 4194304 × 4-bit DRAMs, each in 24/26-lead plastic small-outline J-lead (SOJ) packages

mounted on a substratewithdecouplingcapacitors. TheTMS417400ADJisdescribedintheTMS417400Adata

sheet (literature number SMKS889).

The TM497BBK32H/I SIMM is available in the single-sided BK leadless module for use with sockets. The

TM497BBK32H/I features RAS access times of 50, 60, and 70 ns. This device is characterized for operation

from 0°C to 70°C.

The TM893CBK32H/I is a 32M-byte DRAM organized as 4 8388608 × 8 bits in a 72-pin leadless SIMM. The

SIMM is composed of sixteen TMS417400ADJ, 4194304 × 4-bit DRAMs.

The TM893CBK32H/I SIMM is available in the double-sided BK leadless module for use with sockets. The

TM893CBK32H/I features RAS access times of 50, 60, and 70 ns. This device is characterized for operation

from 0°C to 70°C.

operation

The TM497BBK32H/I operates as eight TMS417400ADJs connected as shown in the functional block diagram

and in Table 1. The common I/O feature dictates the use of early write cycles to prevent contention on D and

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

†

Part numbers in this data sheet are for the gold-tabbed version; the information applies to both gold-tabbed and solder-tabbed versions.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443

12 3 4 5 6 7...12

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与TM497BBK32I相关器件

型号	品牌	获取价格	描述	数据表
TM497BBK32I-50	TI	获取价格	4MX32 FAST PAGE DRAM MODULE, 50ns, SMA72, SIMM-72
TM497BBK32I-60	TI	获取价格	4MX32 FAST PAGE DRAM MODULE, 60ns, SMA72, SIMM-72
TM497BBK32I-70	TI	获取价格	4MX32 FAST PAGE DRAM MODULE, 70ns, SMA72, SIMM-72
TM497BBK32S	TI	获取价格	4194304 BY 32-BIT DYNAMIC RAM MODULE
TM497BBK32S-60	TI	获取价格	4194304 BY 32-BIT DYNAMIC RAM MODULE
TM497BBK32S-70	TI	获取价格	4194304 BY 32-BIT DYNAMIC RAM MODULE
TM497BBK32S-80	TI	获取价格	4194304 BY 32-BIT DYNAMIC RAM MODULE
TM497EAD9B-10	TI	获取价格	4MX9 FAST PAGE DRAM MODULE, 100ns, SMA30, SIMM-30
TM497EAD9B-60	TI	获取价格	4MX9 FAST PAGE DRAM MODULE, 60ns, SMA30, SIMM-30
TM497EAD9B-80	TI	获取价格	4MX9 FAST PAGE DRAM MODULE, 80ns, SMA30, SIMM-30

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