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IA8255 Datasheet(PDF) 1 Page - InnovASIC, Inc

Part No. IA8255
Description  Programmable Peripheral Interface Adapter
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Maker  INNOVASIC [InnovASIC, Inc]
Homepage  http://www.innovasic.com
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IA8255 Datasheet(HTML) 1 Page - InnovASIC, Inc

   
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IA8255
Advanced Information Sheet
Programmable Peripheral Interface Adapter
Copyright
© 1999, InnovASIC Inc.
Customer Specific IC Solutions
FEATURES
Form, Fit, and Function Compatible with the Intel
® 8255A and Harris©
82C55A
Packaging options available: 40 Pin Plastic DIP or 44 Pin Plastic Leaded
Chip Carrier
24 Programmable Input/Outputs
Static Read/Write or Handshaking Modes
Direct Bit Set/Reset Capability
High Speed, No “Wait State” Operation
The IA8255 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)
A0
(10)
PC7
(11)
PC6
(12)
PC5
(13)
PC4
(14)
40 Pin DIP
IA8255
D2
D3
D4
D5
(20)
PB2
(15)
PC1
(16)
PC2
(17)
PC3
(18)
PB0
(19)
PB1
(21)
(22)
(23)
(24)
PB4
PB3
(40)
(39)
(38)
(37)
(36)
(35)
(34)
(33)
(32)
(31)
(30)
(29)
(28)
(27)
(26)
(25)
PC0
PB6
PB5
VCC
PB7
D6
D7
D0
D1
WR_n
RESET
PA6
PA7
PA4
PA5
CS_n
PA3
PA2
PA1
PA0
RD_n
GND
A1
44 Pin LCC
IA8255
(12)
N. C.
(7)
CS_n
(8)
GND
(9)
A1
(10)
A0
(11)
PC7
(13)
PC6
(14)
PC5
(15)
PC4
(16)
PC0
(17)
PC1
RESET
D4
N. C.
D3
D1
D0
(34)
(39)
(38)
(37)
(36)
(35)
(33)
(32)
(31)
(30)
(29)
VCC
D7
D6
D5
D2


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