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參數(shù)資料
| 型號(hào)： | MR82C89/B |
| 廠商： | INTERSIL CORP |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | 8 MHz, BUS ARBITER AND CONT SIG GEN, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大?。?/td> | 279K |
| 代理商： | MR82C89/B |
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343
TM
March 1997
82C89
CMOS Bus Arbiter
Features
Pin Compatible with Bipolar 8289
Performance Compatible with:
- 80C86/80C88 . . . . . . . . . . . . . . . . . . . . . . . . . . (5/8MHz)
Provides Multi-Master System Bus Control and
Arbitration
Provides Simple Interface with 82C88/8288 Bus
Controller
Synchronizes 80C86/8086, 80C88/8088 Processors
with Multi-Master Bus
Bipolar Drive Capability
Four Operating Modes for Flexible System Configura-
tion
Low Power Operation
- ICCSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
A (Max)
- ICCOP . . . . . . . . . . . . . . . . . . . . . . . . . 1mA/MHz (Max)
Operating Temperature Ranges
- C82C89 . . . . . . . . . . . . . . . . . . . . . . . . . . 0oC to +70oC
- I82C89 . . . . . . . . . . . . . . . . . . . . . . . . . -40oC to +85oC
- M82C89 . . . . . . . . . . . . . . . . . . . . . . . -55oC to +125oC
Description
The Intersil 82C89 Bus Arbiter is manufactured using a self-
aligned silicon gate CMOS process (Scaled SAJI IV). This cir-
cuit, along with the 82C88 bus controller, provides full bus arbi-
tration and control for multi-processor systems. The 82C89 is
typically used in medium to large 80C86 or 80C88 systems
where access to the bus by several processors must be coordi-
nated. The 82C89 also provides high output current and capac-
itive drive to eliminate the need for additional bus buffering.
Static CMOS circuit design insures low operating power. The
advanced Intersil SAJI CMOS process results in perfor-
mance equal to or greater than existing equivalent products
at a significant power savings.
Pinouts
82C89 (CERDIP)
TOP VIEW
82C89 (PLCC, CLCC)
TOP VIEW
Ordering Information
PART NUMBER
PACKAGE
TEMPERATURE
RANGE
PKG.
NO.
CP82C89
20 Ld PDIP
0oC to +70oCE20.3
IP82C89
-40oC to +85oCE20.3
CS82C89
20 Ld PLCC
0oC to +70oCN20.35
IS82C89
-40oC to +85oCN20.35
CD82C89
20 Ld
CERDIP
0oC to +70oCF20.3
ID82C89
-40oC to +85oCF20.3
MD82C89/B
-55oC to +125oCF20.3
5962-8552801RA
SMD#
F20.3
MR82C89/B
20 Pad
CLCC
-55oC to +125oCJ20.A
5962-85528012A
SMD#
J20.A
11
12
13
14
15
16
17
18
19
20
10
9
8
7
6
5
4
3
2
1
VCC
CLK
ANYRQST
BUSY
CBRQ
AEN
CRQLCK
LOCK
S0
S1
GND
RESB
IOB
S2
BCLK
INIT
BREQ
BPRO
BPRN
SYSB/RESB
4
5
6
7
8
910
11
12
13
321
20
19
15
14
18
17
16
BCLK
RESB
INIT
BREQ
BPRO
GN
D
AE
N
CBRQ
BUS
Y
BP
RN
V
CC
IO
B
S1
LOCK
CRQLCK
CLK
ANYRQST
S0
SY
SB
/
RE
S
B
S2
FN2980.1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
| Intersil (and design) is a trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2002. All Rights Reserved
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