参数资料
型号: IA8237
厂商: Innovasic Semiconductor
英文描述: Programmable DMA Controller
中文描述: 可编程DMA控制器
文件页数: 1/4页
文件大小: 50K
代理商: IA8237
Page 1 of 4
I
A8237
Programmable DMA Controller
Advanced Information
Sheet
FEATURES
Form, Fit, and Function Compatible with the Intel
a
8237A and Harris
82C37A
Packaging options available: 40 Pin Plastic Dip or 44 Pin Plastic Leaded
Chip Carrier
Static Read/Write or Handshaking Modes
Direct Bit Set/Reset Capability
Memory-to-Memory Transfers
Copyright
1999, InnovASIC Inc.
Customer SpecficIC Soutions
The IA8237 uses
innov
ASIC
’s innovative new
f
3
Program
to provide industry with parts that
other vendors have declared obsolete. By specifying parts through this program a customer is
assured of never having a component become obsolete again. This advanced information sheet
assumes the original part has been designed in, and so provides a summary of capabilities only. For
new designs contact
innov
ASIC
for more detailed information.
Intel is a registered trademark of Intel Corporation
Harris is a copyright trademark of Harris Corporation
Package Pinout
(6)
(1)
(2)
(3)
(4)
(5)
(7)
(8)
(9)
AEN
(10)
HRQ
(11)
CS_n
(12)
CLK
(13)
RESET
DACK2
(14)
40 Pin DIP
IA8237
A0
VCC
DB0
DB1
(20)
VSS
(15)
DACK3
(16)
DREQ3
(17)
DREQ2
(18)
DREQ1
(19)
DREQ0
(21)
(22)
(23)
(24)
DB6
DB7
(40)
(39)
(38)
(37)
(36)
(35)
(34)
(33)
(32)
(31)
(30)
(29)
(28)
(27)
(26)
(25)
DACK1
DB5
DB4
DACK0
DB2
DB3
A2
A1
EOP_n
A3
A5
A4
A7
A6
READY
IOR_n
IOW_n
MEMR_n
MEMW_n
N. C.
HLDA
ADSTB
A3
DB1
DB0
VCC
A1
A0
A2
N. C.
DB4
DB3
DB2
44 Pin LCC
IA8237
(12)
(13)
HRQ
CS_n
(7)
N. C.
(8)
N. C.
(9)
HLDA
(10)
ADSTB
(11)
AEN
(14)
CLK
(15)
RESET
(16)
DACK2
(17)
N. C.
D
D
D
(
(
(
(
(
(
(
(
(
A
(
A
(
E
N
R
(34)
(39)
(38)
(37)
(36)
(35)
(33)
(32)
(31)
(30)
(29)
(
(
(
(
(
(
(
(
(
(
(
A
A
I
I
M
M
D
D
D
V
D
D
D
D
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