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**UM82C*** (IBM/INTEL Direct replacement) c87
Note: Dates vary for when these chips were first available. Two
databooks have been used one from '86 the other from '91. Not all the
chips are listed in the '86 databook, the date of '87 is an
assumption.
PC/XT:
IBM: UMC: Desc:
Intel 8284 UM82C84A 25MHz CMOS Clock Generator and Driver
Intel 8288 UM82C88 Bus Controller
Intel 8259 UM8259A Programmable Interrupt Controller also UM82C59A-2 (CMOS version)
Intel 8237 UM8237A 3-5MHz Programmable DMA Controller (DMAC)
Intel 8253 UM8253*2 2.6-5MHz Programmable Interval Timer
Intel 8255 UM82C55A* Programmable Peripheral Interface
Note: * indicates: possible compatibility, datasheet does not state
explicitly. YMMV.
Note: *2 indicates: The UM8253 can be replaced with the
UM82C54/-2. The datasheet says it is a superset of the 8253, and
works up to 10MHz. Also it's compatible with the 8254. AT: IBM:
UMC: Desc: Intel 82284 UM82C284* 10-12.5MHz Clock Generator and
Ready Interface Intel 82288 UM82C288* 10-12.5MHz Bus Controller
Intel 8254 UM82C54/-2 8-10MHz CMOS Programmable Interval Timer
Intel 8259 UM8259A Programmable Interrupt Controller also
UM82C59A-2 (CMOS version) Intel 8237 UM8237A 3-5MHz Programmable
DMA Controller (DMAC) 74LS612 UM74HCT612* Memory Mapper MC146818
RTC UM82C6818* Real-Time Clock (RTC) Intel 8047 ?? Keyboard
Controller
Note: * indicates: possible compatibility, datasheet does not state
explicitly. YMMV.
**UM82C088 PC/XT Integration Chip <91...
**UM82C230 286AT MORTAR Chip Set <91...
**UM82C210 386SX/286 AT Chip Set <91...
**UM82C3xx Twinstar & UM82C336F/N & UM82C39x [no datasheet] ?...
**UM82C380 386 HEAT PC/AT Chip Set <91...
**UM82C480 386/486 PC Chip Set c91
***Info:...
***Configurations:...
***Features:...
**UM82C493/491 ??????????????? [no datasheet] ?...
**UM8498/8496 486 VL Chipset "Super Energy Star Green"[no dsheet]c94...
**UM8881/8886 HB4 PCI Chipset "Super Energy Star Green"[no dsheet]c94...
**UM8890 Pentium chipset [no datasheet] ?...
**
**Support Chips:
**UM82152 Cache Controller (AUStek A38152 clone) <91...
**UM82C852 Multi I/O For XT <91...
**UM82C206 Integrated Peripheral Controller <91
***Info:...
***Versions:...
***Features:
o Fully compatible with PC/AT architecture
o Fully compatible with 8237 DMA controller, 8259 Interrupt
controller, 8254 Timer/Counter, and 146818 Real Time Clock
o Provides 7 DMA channels, 13 Interrupt request channels, 2 Timer/
Counter channels, and a Real Time Clock
o Built in 74LS612 memory mapper for DMA page address
o Provides 114 bytes of CMOS RAM memory
o 8 MHz DMA clock with programmable internal divider for 4 MHz
operation
o 16M bytes DMA address space
o Programmable wait states for the DMA cycle
o Reduced recovery time (120 ns) between I/O operations
**UM82c45x Serial/Parallel chips ?...
**Other chips:
***Video:...
***Disk:...
***Peripheral:...
***Other:
UM3750A Programmable 12-bit Encoder/Decoder
UM6502/07/12 8-bit Microprocessor 1,2,3,4 MHz Versions
UM6502E 8-bit Microprocessor 1,2,3,4 MHz Versions
UM8048/35/49/39 Microcontroller
UM8051/31 Microcontroller
UM74HCT590 8 bit Binary Counter with Output Registers
UM74HCT646 Octal Bus Transceiver and Register
UM2332/UM2333/UM2364 Mask ROM
UM2366/A Mask ROM
UM23128/A Mask ROM
UM23256/A Mask ROM
UM2147/UM2148/UM2149 SRAM
UM6104/UM6104-1 SRAM
UM6114/UM6116-2/-3/-4 SRAM
UM6116-5/UM6164 SRAM
UM6167/UM6168 SRAM
UM9001/UM9003AF Network?
UM9007F/UM9008 Network?
UM9009 Network?
UM9017F/UM9018 Ethernet
UM9026 Fast Ethernet
UM9090 Network?
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