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參數資料
| 型號： | CP82C37A-12 |
| 廠商： | INTERSIL CORP |
| 元件分類： | DMA控制器 |
| 英文描述： | DIODE SCHOTTKY DUAL-DUAL COMMON-CATHODE 25V 200mW 0.32V-vf 200mA-IFM 1mA-IF 2uA-IR SOT-363 3K/REEL |
| 中文描述： | 4 CHANNEL(S), 12.5 MHz, DMA CONTROLLER, PDIP40 |
| 封裝： | PLASTIC, DIP-40 |
| 文件頁數： | 1/23頁 |
| 文件大小： | 148K |
| 代理商： | CP82C37A-12 |
4-192
March 1997
82C37A
CMOS High Performance
Programmable DMA Controller
Features
Compatible with the NMOS 8237A
Four Independent Maskable Channels with Autoinitial-
ization 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
Static CMOS Design Permits Low Power Operation
- ICCSB = 10
μ
A Maximum
- ICCOP = 2mA/MHz Maximum
Fully TTL/CMOS Compatible
Internal Registers may be Read from Software
Description
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
dramatically reduced power consumption. The fully static
design permits gated clock operation for even further
reduction of power.
performance,
and
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 fea-
ture. DMA requests may be generated by either hardware or
software, and each channel is independently programmable
with a variety of features for flexible operation.
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
PACKAGE
TEMPERATURE
RANGE
0
o
C to +70
o
C
-40
o
C to +85
o
C
0
o
C to +70
o
C
-40
o
C to +85
o
C
0
o
C to +70
o
C
-40
o
C to +85
o
C
-55
o
C to +125
o
C
PKG. NO.
5MHz
8MHz
12.5MHz
CP82C37A-5
CP82C37A
CP82C37A-12
40 Ld PDIP
E40.6
IP82C37A-5
IP82C37A
IP82C37A-12
E40.6
CS82C37A-5
CS82C37A
CS82C37A-12
44 Ld PLCC
N44.65
IS82C37A-5
IS82C37A
IS82C37A-12
N44.65
CD82C37A-5
CD82C37A
CD82C37A-12
40 Ld CERDIP
F40.6
ID82C37A-5
ID82C37A
ID82C37A-12
F40.6
MD82C37A-5/B
MD82C37A/B
MD82C37A-12/B
F40.6
5962-9054301MQA
5962-9054302MQA
5962-9054303MQA
SMD#
F40.6
MR82C37A-5/B
MR82C37A/B
MR82C37A-12/B
44 Pad CLCC
-55
o
C to +125
o
C
J44.A
5962-9054301MXA
5962-9054302MXA
5962-9054303MXA
SMD#
J44.A
File Number
2967.1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
Intersil Corporation 1999
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CP82C37A-5 | 功能描述:外圍驅動器與原件 - PCI PERIPH DMA CONTRLR 5V 5MHZ 40PDIP COM RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| CP82C37A-5S2064 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CP82C37AB6005 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CP82C50A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:UART |
| CP82C50A-5 | 功能描述:UART 接口集成電路 PERIPH UART/BRG 5V 10MHZ 40PDIP COM RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
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