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IA8237 Datasheet(PDF) 1 Page - InnovASIC, Inc

Part No. IA8237
Description  Programmable DMA Controller
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Maker  INNOVASIC [InnovASIC, Inc]
Homepage  http://www.innovasic.com
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Page 1 of 4
IA8237
Advanced Information Sheet
Programmable DMA Controller
Copyright
© 1999, InnovASIC Inc.
Customer Specific IC Solutions
FEATURES
Form, Fit, and Function Compatible with the Intel
® 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
The IA8237 uses innovASIC’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 innovASIC 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
(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)
DACK2
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
A2
N. C.
DB4
DB3
DB2
A0
44 Pin LCC
IA8237
(12)
HRQ
(7)
N. C.
(8)
N. C.
(9)
HLDA
(10)
ADSTB
(11)
AEN
(13)
CS_n
(14)
CLK
(15)
RESET
(16)
DACK2
(17)
N. C.
(34)
(39)
(38)
(37)
(36)
(35)
(33)
(32)
(31)
(30)
(29)




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