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參數資料
| 型號： | IS82C89 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 外設及接口 |
| 英文描述： | CMOS Bus Arbiter |
| 中文描述： | 8 MHz, BUS ARBITER AND CONT SIG GEN, PQCC20 |
| 封裝： | PLASTIC, LCC-20 |
| 文件頁數： | 1/15頁 |
| 文件大小： | 123K |
| 代理商： | IS82C89 |
4-343
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
μ
A (Max)
- ICCOP . . . . . . . . . . . . . . . . . . . . . . . . .1mA/MHz (Max)
Operating Temperature Ranges
- C82C89 . . . . . . . . . . . . . . . . . . . . . . . . . .0
o
C to +70
o
C
- I82C89 . . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to +85
o
C
- M82C89 . . . . . . . . . . . . . . . . . . . . . . . -55
o
C to +125
o
C
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
0
o
C to +70
o
C
-40
o
C to +85
o
C
0
o
C to +70
o
C
-40
o
C to +85
o
C
0
o
C to +70
o
C
-40
o
C to +85
o
C
-55
o
C to +125
o
C
PKG.
NO.
CP82C89
20 Ld PDIP
E20.3
IP82C89
E20.3
CS82C89
20 Ld PLCC
N20.35
IS82C89
N20.35
CD82C89
20 Ld
CERDIP
F20.3
ID82C89
F20.3
MD82C89/B
F20.3
5962-8552801RA
SMD#
F20.3
MR82C89/B
20 Pad
CLCC
-55
o
C to +125
o
C
J20.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
V
CC
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
9
10
11
12
13
3
2
1
20
19
15
14
18
17
16
BCLK
RESB
INIT
BREQ
BPRO
G
A
C
B
B
V
C
I
S
LOCK
CRQLCK
CLK
ANYRQST
S0
S
R
S
File Number
2980.1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
Intersil Corporation 1999
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