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參數(shù)資料
| 型號： | IS82C237-12 |
| 廠商： | INTERSIL CORP |
| 元件分類： | DMA控制器 |
| 英文描述： | CMOS High Performance Programmable DMA Controller |
| 中文描述： | 4 CHANNEL(S), 12.5 MHz, DMA CONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 20/25頁 |
| 文件大小： | 158K |
| 代理商： | IS82C237-12 |
4-167
82C237
(35)TWRRD
READ HIGH Delay from WRITE HIGH
0
-
5
-
ns
(36)TRLRH
READ Pulse Width, Normal Timing
2TCY-60
-
2TCY-55
-
ns
(37)TSHSL
ADSTB Pulse Width
TCY-50
-
TCY-35
-
ns
(38)TWLWHA
Extended WRITE Pulse Width
2TCY-85
-
2TCY-80
-
ns
(39)TWLWH
WRITE Pulse Width
TCY-85
-
-
ns
(40)TRLRHC
READ Pulse Width, Compressed
TCY-60
-
TCY-55
-
ns
(56)TAVRL
ADR Valid to READ LOW
17
-
17
-
ns
(57)TAVWL
ADR Valid to WRITE LOW
7
-
7
-
ns
(58)TRHAL
READ HIGH to AEN LOW
15
-
15
-
ns
(59)TRHSH
READ HIGH to ADSTB HIGH
13
-
13
-
ns
(60)TWHSH
WRITE HIGH to ADSTB HIGH
15
-
15
-
ns
(61)TDVRL
DACK Valid to READ LOW
25
-
25
-
ns
(62)TDVWL
DACK Valid to WRITE LOW
25
-
25
-
ns
(63)TRHDI
READ HIGH to DACK Inactive
12
-
12
-
ns
(64)TAZRL
ADR Float to READ LOW
-2.5
-
-2.5
-
ns
(65)TOEV
Output Enable Valid Before WRITE HIGH
TCY+20
-
TCY+20
-
ns
(66)TOEH
Output Enable Hold Time from WRITE HIGH
TCY-50
-
TCY-50
-
ns
PERIPHERAL (SLAVE) MODE
(41)TAR
ADR Valid or CS LOW to READ LOW
10
-
0
-
ns
(42)TAWL
ADR Valid to WRITE LOW Setup Time
0
-
0
-
ns
(43)TCWL
CS LOW to WRITE LOW Setup Time
0
-
0
-
ns
(44)TDW
Data Valid to WRITE HIGH Setup Time
100
-
60
-
ns
(45)TRA
ADR or CS Hold from READ HIGH
0
-
0
-
ns
(46)TRDE
Data Access from READ
-
120
-
80
ns
(47)TRDF
DB Float Delay from READ HIGH
5
85
5
55
ns
(48)TRSTD
Power Supply HIGH to RESET LOW Setup Time
500
-
500
-
ns
(49)TRSTS
RESET to First IOR or IOW
2TCY
-
2TCY
-
ns
(50)TRSTW
RESET Pulse Width
300
-
300
-
ns
(51)TRW
READ Pulse Width
155
-
85
-
ns
(52)TWA
ADR from WRITE HIGH Hold Time
0
-
0
-
ns
(53)TWC
CS HIGH from WRITE HIGH Hold Time
0
-
0
-
ns
(54)TWD
Data from WRITE HIGH Hold Time
10
-
10
-
ns
(55)TWWS
WRITE Pulse Width
100
-
45
-
ns
AC Electrical Specifications
V
CC
= +5.0V
±
10%, GND = 0V, T
A
= 0
o
C to +70
o
C (C82C237),
T
A
= -40
o
C to +85
o
C (I82C237),
T
A
= -55
o
C to +125
o
C (M82C237)
(Continued)
SYMBOL
PARAMETER
82C237
82C237-12
UNITS
MIN
MAX
MIN
MAX
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| IS82C37A | 功能描述:外圍驅(qū)動器與原件 - PCI 44 PLCC -40+85C 5 0V 8 0MHZ DMA CNTRLR RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
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