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UM82C88 fiches techniques PDF

UMC - Bus Controller

Numéro de référence UM82C88
Description Bus Controller
Fabricant UMC 
Logo UMC 





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UM82C88 fiche technique
SUMO
UM82C88
===~i~~=========== Bus Controller
Features
• Pin compatible with bipolar 8288
• Provides advanced commands for multimaster busses
• 3-state command outputs
• Bipolar drive capabil ity
• Fully TTL compatible
• High performance HCMOS process
• Single 5V power supply
• Low power operation
ICCSB - 10llA
IccOp - 1mA/MHz
General Description
The UM82C88 is a high performance CMOS Bus Controller
manufactured using a self-aligned silicon gate CMOS
process. The UM82C88 provides the control and command
timing signals for 80C86 and 8086/88 systems. The high
output drive capability of the UM82C88 eliminates the
need for additional bus drivers. High speed and industry
standard configuration make the UM82C88 compatible
with microprocessors such as the 80C86, 8086, 8088,
8089,80186, and 80188.
Pin Configuration
Block Diagram
lOB
ClK
51
DTiR
ALE
AEN
MRDC
AMWC
MWTC
GND
VCC
So
S2
MCE/PDEN
DEN
CEN
INTA
10RC
AIOWC
10WC
CLK
CONTROL AEN
INPUT { GEN
lOB
STATUS
DECODER
COMMAND
SIGNAL
GENERATOR'
CONTROL
LOGIC
CONTROL
SIGNAL
GENERATOR
MRDC
MWTC
AMWC
IORC
IOWC
Ali5WC
INTA
'MULTIBUS
COMMAND
} SIGNALS
DT/R
}
DEN
MCE PDEN
ALE
ADDRESS LATCH
DATA TRANSCEIVER
AND INTERRUPT
CONTROL SIGNALS
VCC
GND
*TM Multibus is an INTE L Corp trademark
7-135

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