器件名称: IA8237-PLC44I
功能描述: Programmable DMA Controller
文件大小: 50KB 共4页
简 介:Page 1 of 4
IA8237 Programmable DMA Controller
FEATURES
Advanced Information Sheet
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
MEMW_n READY A7 A6 A5 A4 (41) IOW_n MEMR_n MEMW_n N. C. READY HLDA ADSTB AEN HRQ CS_n CLK RESET DACK2 DACK3 DREQ3 DREQ2 DREQ1 DREQ0 VSS (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (39) (38) (37) (36) (35) (34) (33) (32) (31) (30) (29) (28) (27) (26) (25) (24) (23) (22) (21) A6 A5 A4 (44) (43) (42) EOP_n A3 A2 A1 A0 VCC DB0 DB1 DB2 DB3 DB4 DACK0 DACK1 DB5 DREQ3 DREQ2 DREQ1 DREQ0 DACK3 DACK1 DACK0 DB7 DB6 VSS DB5 DB6 DB7 N. C. N. C. HLDA ADSTB AEN HRQ CS_n CLK RESET DACK2 N. C. (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20)……
