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參數(shù)資料
| 型號： | IS82C89 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 外設(shè)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(shù)： | 11/15頁 |
| 文件大?。?/td> | 123K |
| 代理商： | IS82C89 |
4-353
AC Electrical Specifications
V
CC
= 5.0V
±
10%; GND = 0V:
T
A
= 0
o
C to +70
o
C (C82C89);
T
A
= -40
o
C to +85
o
C (I82C89);
T
A
= -55
o
C to +125
o
C (M82C89)
SYMBOL
PARAMETER
MIN
MAX
UNIT
TEST CONDITIONS
(1)
TCLCL
CLK Cycle Period
125
-
ns
Note 3
(2)
TCLCH
CLK Low Time
55
-
ns
Note 3
(3)
TCHCL
CLK High Time
35
-
ns
Note 3
(4)
TSVCH
Status Active Setup
65
TCLCL-10
ns
Note 3
(5)
TSHCL
Status Inactive Setup
50
TCLCL-10
ns
Note 3
(6)
THVCH
Status Inactive Hold
10
-
ns
Note 3
(7)
THVCL
Status Active Hold
10
-
ns
Note 3
(8)
TBYSBL
BUSY
↓↑
Setup to BCLK
↓
20
-
ns
Note 3
(9)
TCBSBL
CBRQ
↓↑
Setup to BCLK
↓
20
-
ns
Note 3
(10)
TBLBL
BCLK Cycle Time
100
-
ns
Note 3
(11)
TBHCL
BCLK High Time
30
0.65
(TBLBL)
ns
Note 3
(12)
TCLLL1
LOCK Inactive Hold
10
-
ns
Note 3
(13)
TCLLL2
LOCK Active Setup
40
-
ns
Note 3
(14)
TPNBL
BPRN
↓↑
to BCLK Setup Time
20
-
ns
Note 3
(15)
TCLSR1
SYSB/RESB Setup
0
-
ns
Note 3
(16)
TCLSR2
SYSB/RESB Hold
30
-
ns
Note 3
(17)
TIVIH
Initialization Pulse Width
675
-
ns
Note 3
(18)
TBLBRL
BCLK to BREQ Delay
↓↑
-
35
ns
Note 3
(19)
TBLPOH
BCLK to BPRO
↓↑
-
35
ns
Note 1 and 3
(20)
TPNPO
BPRN
↓↑
to BPRO
↓↑
Delay
-
22
ns
Note 1 and 3
(21)
TBLBYL
BCLK to BUSY Low
-
60
ns
Note 3
(22)
TBLBYH
BCLK to BUSY Float
-
35
ns
Note 2 and 3
(23)
TCLAEH
CLK to AEN High
-
65
ns
Note 3
(24)
TBLAEL
BCLK to AEN Low
-
40
ns
Note 3
(25)
TBLCBL
BCLK to CBRQ Low
-
60
ns
Note 3
(26)
TBLCBH
BCLK to CBRQ Float
-
40
ns
Note 2 and 3
(27)
TOLOH
Output Rise Time
-
20
ns
From 0.8V to 2.0V, Note 4
(28)
TOHOL
Output Fall Time
-
12
ns
From 2.0V to 0.8V, Note 4
(29)
TILIH
Input Rise Time
-
20
ns
From 0.8V to 2.0V
(30)
TIHIL
Input Fall Time
-
20
ns
From 2.0V to 0.8V
NOTES:
1. BCLK generates the first BPRO wherein subsequent BPRO changes lower in the chain are generated through BPRON.
2. Measured at 0.5V above GND.
3. All AC parameters tested as per AC test load circuits. Input rise and fall times are driven at 1ns/V.
4. Except BUSY and CBRQ
82C89
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