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IA8237-PDW40C Datasheet(PDF) 1 Page - InnovASIC, Inc |
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IA8237-PDW40C Datasheet(HTML) 1 Page - InnovASIC, Inc |
1 / 4 page 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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