UM82C Search Results

82C8167

Abstract: UM82C8167 UM82C8
Contextual Info: UMC UM82C8167 S S 2 S S S 2 S 2 Î Real-Time Clock RTC eatures Microprocessor compatible (8-bit data bus) Milliseconds through month counters 56 bits of RAM with comparator to compare the real time counter to the RAM data 2 IN TERRU PT OUTPUTS with 8 possible interrupt

74HC612

Contextual Info: UIV1C UM82C286 MËÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊËÊÊÊÊKÊÊÊBBBËHÈ P C /A T C om patible Wêêêêêêêêêêêêêêêêêêêêêêêêêêêêêêêêêêêê Chip S e t F eatures • 100% hardware and software compatible w ith the IBM PC/AT

82C11

Abstract: um82c11 82450 um82290 AN/parallel port 378
Contextual Info: I UMC UM82290 ~S S S S S S S S S sin9ie- ° hip Muiti-i/o y Features • An integrated chip of PC/AT serial/parallel add-on card. ■ Including 2 serial ports 82450 ■ Also including 1 print port (UM82C11) ■ And also I/O decoder included. General Description

Contextual Info: UNITED MICROELECTRONICS 15 UM82C55A » e | 13aSfllS D000513 2 CMOS Programmable Peripheral Interface P IN FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ Pin Compatible with NMOS 8255A 24 Programmable I/O Pins Fully TT L Compatible Bus-hold Circuitry on all I/O Ports Eliminates Pull-up

Contextual Info: UNITED MICROELECTRONICS UM82C8S2 T32SÛS5 DGGDIIB 4 3DE D 5 3 -3 3 'ô 3 Multi I/ O Fo r X T Features • ■ ■ * Supports game port Supports 2nd serial port Centronics printer interface Independent control of transmit, receive, line status and data set interrupts

Contextual Info: 3DE D UNITED MICROELECTRONICS r • UM82C382 T3aSflSE 0000].ti3 h ~r~ Address Buffer Features ■ ■ 24 bit address line buffer Advanced 1.2/i CMOS Technology I ■ Supports 256K x 1 and 1M x 1 DRAM refresh 120 pin flat package Pin Configuration < ' -u iû Z Z ^

pin DIAGRAM OF IC 82C55

Abstract: 8255 interface with 8086 Peripheral block diagram DMA interface 8237 WITH 8088 8255 interface with 8086 Peripheral 8255 with 8088 computer xt 8088 ic dma 8237 8088
Contextual Info: U iV iC — — UM82C086 Integrated Peripheral chip ip c — mm Features • Clock generator, including 82C84A and peripheral clock ■ Command decoder and bus controller, including 82C88 ■ Programmable interval timer, including 8254 and speaker port • 82C55A-5 programmable peripheral interface

t523

Abstract: D8000H um82c210 UM82C212 registers OF 80286 bios call Unicorn Microelectronics
Contextual Info: UNICORN MICROELECTRONICS TS7fl7flfl OOOOflOl Ü 2ME D UM82C212 Memory Controller U3V1C T ~ £ > -3 3 -3 1 2. UM82C212 MEMORY CONTROLLER The UM82C212 performs the memory control functions in the UM82C210 system. Several distinguished features are integrated in the UM82C212 that makes the

6164 ram memory

Abstract: intel 6164 ram internal diagram of 7473 pin configuration of intel 80386 Unicorn Microelectronics 6164 memory PA10 PA11 PA12 PA13
Contextual Info: UNICORN MICROE LE CTRON ICS S4E D • ISTÖTÖÖ OOOQÖÖ1 5 ■ UM82C384 Memory Controller I General Description The UM82C384 is one of UMC’s High End AT HEAT Chip Set. It provides memory control functions which facilitate wide ranges of DRAM and CPU speed

82C231

Abstract: Unicorn Microelectronics um82c232 80286 82c206 82C206 UM82C231 M16I45 82c232 clk21 refresh logic
Contextual Info: UNICORN MICROELECTRONICS S4E D • ^570700 000GÖ17 4 UM82C231 System/Memory Controller 1. General Decription The UM82C231 is a system/memory controller. It performs the CPU interface, AT system bus interface and memory interface functions. 2. Features • CPU interface and bus control.

pin configuration of 8288

Abstract: 8288 bus controller generator synchronization UM82C88 UM82C8
Contextual Info: UNITED MICROELECTRONICS TE 1 d e | ^355012 Q O D O s m m T ^ S ',3 " 5 3 - 0 3 . UM82C84A/AE C M O S Clock Generator & Driver PIN CONFIGURATION FEATURES • Generates the System Clock for CMOS or NMOS Microprocessors. ■ Up to 25 MHz Operation. ■ Uses a Parallel Mode Crystal Circuit or

1mx1 DRAM

Abstract: AA2035 UM82C380 256KB static RAM 6182s UM82152 UM82C384 AADS PA10 Unicorn Microelectronics
Contextual Info: UNICORN MICROE LE CTRON ICS E4E D • =1270700 QOQOTOH T ■ UM82C389 Austek Cache Interface I General Description The UM82C389 Cache Interface Chip is one of the UMC UM82C380 series High End AT HEAT chip set. As a DRAM controller, UM82C389 works in tandem with

um82c59

Contextual Info: □MC UM82C59A-2 CHMOS Programmable Interrupt Controller ^ Features • Pin compatible with NMOS 8259A-2 80C86/88 and 8080/85/86/88 compatible ■ Eight-level priority controller Fully static design ■ Expandable to 64 levels Single 5V power supply ■ Programmable interrupt modes

AEN 6

Contextual Info: UMC UM82C88 Bus Controller Features • Pin com patible w ith bipolar 8288 High perform ance HCMOS process ■ Provides advanced com mands fo r m u ltim aster busses Single 5V power supply ■ 3-state com m and outputs L o w power operation ■ B ipolar drive capability

um82c211

Contextual Info: UM82C206 INTEGRATED PERIPHERAL CONTROLLER P R E L IM IN A R Y FEATURES I Fu lly com patible w ith PC /A T architecture I 8 MHz D M A clock with programmable internal divider for 4 MHz operation I Fu lly com patible w ith 8237 D M A controller, 8259 interrupt

Contextual Info: UNITED MICROELECTRONICS 30E D ^3B5fl5B '□DOQlt.5 T M'~T-5 3 .-33~Q\ UM82C384 Memory Controller Features • ■ * ■ Supports Supports Supports Supports 16 MHz, 20 MHz and 25 MHz Intel 80386 D R A M speed range from 60ns to 120ns 256K and 1M D R A M S up to 12M Bytes on board memory

Contextual Info: UNITE» MICROELECTRONICS UM82C388 3QE D • ^355655 DOD01 fab 1 5^-33 ^ \ INTEL Cache Interface Features ■ Supports 16 MHz, 20 MHz and 25 MHz Intel 80386 Supports 2 5 6 K and 1M DRAM S ■ Supports 25 MHz 80386 with 82385 cache controller 1.2/it CMOS technology

PA10

Abstract: PA11 PA12 PA13 PA15 UM82C382 A20GATE
Contextual Info: 3DE D UNITED MICROELECTRONICS r UM82C382 T3aSflSE 0000].ti3 h ~r~ Address Buffer • Features ■ ■ 24 bit address line buffer Advanced 1.2/i CM O S Technology I ■ Supports 2 5 6 K x 1 and 1M x 1 D R A M refresh 120 pin flat package Pin Configuration < ' -u iû Z Z ^

80286

Abstract: UM82C284-10 UM82C284-12 80286 pin configuration intel 80286 circuits 80286-6
Contextual Info: UNICORN MICROELECTRONICS 24E iS7a7fla D o o o o o ia :E B 9%, CSEBJ T-52-/? UM82C284-10 -12 Clock Generator and Ready Interface Features • Single +5V power supply ■ Generates system clock for 80286 processors ■ Uses crystal or T T L signal for frequency source

dram 4164

Abstract: 74670 register 41256
Contextual Info: UNITED MICROELECTRONICS 30E D • q3a5fl5a 00001 51 T ■ T ~ 5 ^ - 3 3 -òS UM82C088 PC/X T Integration Chip Features ■ Fully IBM-PC/XT compatible ■ 82C84 Clock generator with 2 clock-inputs to generate the CPU clock. These are 14.318 MHz and 30 MHz which will support 4.77 MHz and 10 MHz CPU clocks

Z765A

Abstract: um82c211 CS82C215 smc 9216 um6845 82288 VTI16451 UM587
Contextual Info: UNITED MICROELECTRONICS 30E D • 'Tr^-3-^Qi 1355555 D O P P I A □ ■ CROSS REFERENCE GUIDE MICROPROCESSOR UMC ROCKW ELL UM6B02 R6502 PC M AIN BO ARD CHIPS UMC ACER AUSTEK H A R R IS M1101 UM82C088 UM82C206 CS82C206 UM82C211 CS82C211 UM82C212 CS82C212 UM82C215

Contextual Info: UNITED MICROELECTRONICS 13 I e | =1325812 D Q O O S m 4 UM82C84A/AE C M O S Clock Generator & Driver PIN CONFIGURATION FEATURES 'c c CSYN C C P C LK C • Generates the System Clock for CMOS or NMOS Microprocessors. Âlm c RDYi C ■ Up to 25 MHz Operation.

Contextual Info: UNITED MICROELECTRONICS UM82C284-12 D e J B E S S I E DQODSll 1 “T-S^-/? Clock Generator And Ready Interface For ¡APX 286 Processors FEATU RES PIN CO NFIGURATION • ■ ■ Generates System Clock for ¡A P X 2 86 Processors Uses Crystal or T T L Signal for Frequency Source

Contextual Info: UNITED MICROELECTRONICS IB UM82C94 D e"| T325al2 DPQDS1S b | CMOS Clock Generator & Driver PIN CO NFIGU RATION FEATURES • Generates the System Clock for C M O S or N M O S Microprocessors. ■ Up to 25 M H z Operation. ■ Uses a Parallel Mode Crystal Circuit or