Datasheet > MD82C37A-5/B

MD82C37A-5/B

更新时间： 2024-09-16 03:49:59

品牌	Logo	应用领域
英特矽尔 - INTERSIL		外围集成电路控制器时钟
页数	文件大小	规格书
24页	428K
描述
CMOS High Performance Programmable DMA Controller

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数据手册
替代型号

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MD82C37A-5/B 数据手册

82C37A

Data Sheet

March 20, 2006

FN2967.2

CMOS High Performance

Features

• Compatible with the NMOS 8237A

Programmable DMA Controller

The 82C37A is an enhanced version of the industry standard

8237A Direct Memory Access (DMA) controller, fabricated

using Intersil’s advanced 2 micron CMOS process. Pin

compatible with NMOS designs, the 82C37A offers

increased functionality, improved performance, and

dramatically reduced power consumption. The fully static

design permits gated clock operation for even further

reduction of power.

• Four Independent Maskable Channels with

Autoinitialization Capability

• Cascadable to any Number of Channels

• High Speed Data Transfers:

- Up to 4MBytes/sec with 8MHz Clock

- Up to 6.25MBytes/sec with 12.5MHz Clock

• Memory-to-Memory Transfers

The 82C37A controller can improve system performance by

allowing external devices to transfer data directly to or from

system memory. Memory-to-memory transfer capability is

also provided, along with a memory block initialization

feature. DMA requests may be generated by either hardware

or software, and each channel is independently

programmable with a variety of features for flexible

operation.

• Static CMOS Design Permits Low Power Operation

- ICCSB = 10µA Maximum

- ICCOP = 2mA/MHz Maximum

• Fully TTL/CMOS Compatible

• Internal Registers may be Read from Software

• Pb-Free Plus Anneal Available (RoHS Compliant)

The 82C37A is designed to be used with an external

address latch, such as the 82C82, to demultiplex the most

significant 8-bits of address. The 82C37A can be used with

industry standard microprocessors such as 80C286, 80286,

80C86, 80C88, 8086, 8088, 8085, Z80, NSC800, 80186 and

others. Multimode programmability allows the user to select

from three basic types of DMA services, and reconfiguration

under program control is possible even with the clock to the

controller stopped. Each channel has a full 64K address and

word count range, and may be programmed to autoinitialize

these registers following DMA termination (end of process).

Ordering Information

PART NUMBER

TEMP

PART

RANGE

PKG.

5MHz

CP82C37A-5

IP82C37A-5

CS82C37A-5

MARKING

8MHz

MARKING

12.5MHz

CP82C37A-12

IP82C37A-12

CS82C37A-1296

MARKING

PACKAGE

40 Ld PDIP

(°C)

DWG. #

CP82C37A-5 CP82C37A

IP82C37A

0 to +70 E40.6

-40 to +85 E40.6

0 to +70 N44.65

CS82C37A*

CS82C37A

CS82C37A-12 44 Ld PLCC

CS82C37AZ (Note) CS82C37AZ

44 Ld PLCC

(Pb-Free)

IS82C37A-5

CD82C37A-5

ID82C37A-5

IS82C37A

CD82C37A

ID82C37A

IS82C37A-12

CD82C37A-12

ID82C37A-12

44 Ld PLCC

40 Ld CERDIP 0 to +70 F40.6

-40 to +85 F40.6

-40 to +85 N44.65

MD82C37A-5/B

5962-9054301MQA

MD82C37A/B

5962-

9054302MQA

MD82C37A/B MD82C37A-12/B

-55 to +125 F40.6

5962-

9054303MQA

SMD#

F40.6

MR82C37A-5/B

5962-9054301MXA

*Add "96" suffix for tape and reel.

MR82C37A/B

5962-9054302MXA

MR82C37A-12/B

5962-9054303MXA

44 Pad CLCC -55 to +125 J44.A

SMD# J44.A

NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS

compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the

Pb-free requirements of IPC/JEDEC J STD-020.

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...24

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MD82C37A-5/B 替代型号

型号	品牌	替代类型	描述	数据表
Z0841004PSC	IXYS	功能相似	DMA Controller, MOS, PDIP40

与MD82C37A-5/B相关器件

型号	品牌	获取价格	描述	数据表
MD82C37A-5B	INTERSIL	获取价格	CMOS High Performance Programmable DMA Controller
MD82C37AB	INTERSIL	获取价格	CMOS High Performance Programmable DMA Controller
MD82C50A	RENESAS	获取价格	1 CHANNEL(S), 625Kbps, SERIAL COMM CONTROLLER, CDIP40
MD82C50A/B	RENESAS	获取价格	IC,UART,CMOS,DIP,40PIN,CERAMIC
MD82C50A-5	INTERSIL	获取价格	CMOS Asynchronous Communications Element
MD82C50A-5/B	RENESAS	获取价格	1 CHANNEL(S), 625Kbps, SERIAL COMM CONTROLLER, CDIP40
MD82C50A-5B	INTERSIL	获取价格	CMOS Asynchronous Communications Element
MD82C52	INTERSIL	获取价格	CMOS Serial Controller Interface
MD82C52/883	RENESAS	获取价格	IC,UART,CMOS,DIP,28PIN,CERAMIC
MD82C52-/883	RENESAS	获取价格	1 CHANNEL(S), 1Mbps, SERIAL COMM CONTROLLER, CDIP28

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