Datasheet > CS82C37A

CS82C37A

更新时间： 2024-11-18 20:34:11

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
26页	1006K
描述
4 CHANNEL(S), 8MHz, DMA CONTROLLER, PQCC44

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CS82C37A 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	LCC
包装说明：	LCC-44	针数：	44
Reach Compliance Code：	not_compliant	HTS代码：	8542.31.00.01
Factory Lead Time：	1 week	风险等级：	5.56
地址总线宽度：	16	总线兼容性：	80C286; 80286; 80186; 80C86; 8086; 80C88; 8088; 8085; Z80; NSC800
最大时钟频率：	8 MHz	外部数据总线宽度：	8
JESD-30 代码：	S-PQCC-J44	JESD-609代码：	e0
DMA 通道数量：	4	端子数量：	44
最高工作温度：	70 °C	最低工作温度：
封装主体材料：	PLASTIC/EPOXY	封装代码：	QCCJ
封装等效代码：	LDCC44,.7SQ	封装形状：	SQUARE
封装形式：	CHIP CARRIER	电源：	5 V
认证状态：	Not Qualified	子类别：	DMA Controllers
最大压摆率：	16 mA	最大供电电压：	5.5 V
最小供电电压：	4.5 V	标称供电电压：	5 V
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	J BEND	端子节距：	1.27 mm
端子位置：	QUAD	uPs/uCs/外围集成电路类型：	DMA CONTROLLER
Base Number Matches：	1

CS82C37A 数据手册

DATASHEET

82C37A

FN2967

Rev 4.00

October 2, 2015

CMOS High PerformanceProgrammable 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.

Features

• Compatible with the NMOS 8237A

• 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

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.

• Memory-to-Memory Transfers

• Static CMOS Design Permits Low Power Operation

- ICCSB = 10A 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).

FN2967 Rev 4.00

October 2, 2015

Page 1 of 26

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与CS82C37A相关器件

型号	品牌	获取价格	描述	数据表
CS82C37A-12	INTERSIL	获取价格	CMOS High Performance Programmable DMA Controller
CS82C37A-12	HARRIS	获取价格	CMOS High Performance Programmable DMA Controller
CS82C37A-12	ROCHESTER	获取价格	4 CHANNEL(S), 12.5MHz, DMA CONTROLLER, PQCC44
CS82C37A-1296	INTERSIL	获取价格	CMOS High Performance Programmable DMA Controller
CS82C37A-5	HARRIS	获取价格	CMOS High Performance Programmable DMA Controller
CS82C37A-5	INTERSIL	获取价格	CMOS High Performance Programmable DMA Controller
CS82C37A-5	ROCHESTER	获取价格	4 CHANNEL(S), 5MHz, DMA CONTROLLER, PQCC44
CS82C37A-596	RENESAS	获取价格	4 CHANNEL(S), 5MHz, DMA CONTROLLER, PQCC44, PLASTIC, LCC-44
CS82C37A-596	ROCHESTER	获取价格	4 CHANNEL(S), 5MHz, DMA CONTROLLER, PQCC44
CS82C37A96	RENESAS	获取价格	4 CHANNEL(S), 8MHz, DMA CONTROLLER, PQCC44, PLASTIC, MO-047AC, LCC-44

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