IA8251-PDW28C INNOVASIC [InnovASIC, Inc], IA8251-PDW28C Datasheet

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IA8251-PDW28C

Manufacturer Part Number
IA8251-PDW28C
Description
Programmable Communication Interface
Manufacturer
INNOVASIC [InnovASIC, Inc]
Datasheet
Programmable Communication Interface
FEATURES
The IA8251 uses innovASIC’ s innovative new f
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
Intel is a registered trademark of Intel Corporation
IA8251
Includes:
RXRDY
TXC_n
WR_n
CS_n
CD_n
RD_n
GND
RXD
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
-
-
-
-
D2
D3
D4
D5
D6
D7
Error Detection
False Start Detection
Automatic Break Detection and Handling
Internal and External Sync Character Detection
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
28 Pin DIP
IA8251
innovASIC
(28)
(27)
(26)
(25)
(24)
(23)
(22)
(21)
(20)
(19)
(18)
(17)
(16)
(15)
for more detailed information.
D1
D0
VCC
RXC_n
DTR_n
RTS_n
DSR_n
RESET
CLK
TXD
TXEMPTY
CTS_n
SYNDET_BD
TXRDY
Copyright
Package Pinout
Customer Specific IC Solutions
1999, InnovASIC Inc.
3
Program to provide industry with parts that
TXC_n
WR_n
CS_n
D4
D5
D6
D7
Advanced Information
(5)
(6)
(7)
(8)
(9)
(10)
(11)
28 Pin LCC
IA8251
(25)
(24)
(23)
(22)
(21)
(20)
(19)
Page 1 of 4
Sheet
RXC_n
DTR_n
RTS_n
DSR_n
RESET
CLK
TXD

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IA8251-PDW28C Summary of contents

Page 1

... Internal and External Sync Character Detection - The IA8251 uses innovASIC’ s innovative new f 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 ...

Page 2

... Programmable Communication Interface The IA8251 provides an interface between a microprocessor and a serial communications channel. The IA8251 receives and transmits data in a variety of configurations including 7- or 8-bit data words, with odd, even , or no parity, and stop bits. The transmitter and receiver can be designed for synchronous or asynchronous operation ...

Page 3

... IA8251 Programmable Communication Interface Table 1 Part Number Environmental/ Qual Level IA8251-PDW28C Commercial IA8251-PLC28C Commercial IA8251-PDW28I Industrial IA8251-PLC28I Industrial The following diagram depicts the IAXXXXX-PPPPNNNT/SP Advanced Information Qualification Levels Product Identification Number. innovASIC Special Processing Space Q = MIL-STD-883 Temperature Commercial I = Industrial M = Military Number of Leads ...

Page 4

... IA8251 Programmable Communication Interface Package Designator Table Package Type Ceramic side brazed Dual In-line Cerdip with window Ceramic leaded chip carrier Cerdip without window Ceramic leadless chip carrier PLCC Plastic DIP standard (300 mil) Plastic DIP standard (600 mil) Plastic metric quad flat pack ...

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