IA8251 データシートの表示（PDF） - InnovASIC, Inc
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IA8251 Datasheet PDF : 4 Pages
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IA8251
Page 1 of 4
Advanced Information Sheet
Programmable Communication Interface
FEATURES
• Form, Fit, and Function Compatible with the Intel® 8251A
• Packaging options available: 28 Pin Plastic Dip or 28 Pin Plastic Leaded
Chip Carrier
• Synchronous and Asynchronous Operation
• Full Duplex, Double-Buffered Transmitter and Receiver
• Programmable Word Length, Stop Bits, and Parity
• Offers Divide-by-1, -16, or –64 Mode
• Includes:
- Error Detection
- False Start Detection
- Automatic Break Detection and Handling
- Internal and External Sync Character Detection
The IA8251 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
Package Pinout
D2
D3
RXD
GND
D4
D5
D6
D7
TXC_n
WR_n
CS_n
CD_n
RD_n
RXRDY
(1) IA8251 (28)
(2) 28 Pin DIP (27)
(3)
(26)
(4)
(25)
(5)
(24)
(6)
(23)
(7)
(22)
(8)
(21)
(9)
(20)
(10)
(19)
(11)
(18)
(12)
(17)
(13)
(16)
(14)
(15)
D1
D0
VCC
RXC_n
DTR_n
RTS_n
DSR_n
RESET
CLK
TXD
TXEMPTY
CTS_n
SYNDET_BD
TXRDY
D4
(5)
D5
(6)
D6
(7)
D7
(8)
TXC_n
(9)
WR_n
(10)
CS_n
(11)
IA8251
28 Pin LCC
(25)
RXC_n
(24) DTR_n
(23)
RTS_n
(22)
DSR_n
(21)
RESET
(20)
CLK
(19)
TXD
Copyright © 1999, InnovASIC Inc.
Customer Specific IC Solutions
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