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参数资料
| 型号： | MD82C237/B |
| 厂商： | INTERSIL CORP |
| 元件分类： | DMA控制器 |
| 英文描述： | 4 CHANNEL(S), 8 MHz, DMA CONTROLLER, CDIP40 |
| 封装： | SIDE BRAZED, DIP-40 |
| 文件页数： | 13/25页 |
| 文件大小： | 508K |
| 代理商： | MD82C237/B |
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
-
TCY-80
-
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
5855
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
VCC = +5.0V ±10%, GND = 0V, TA = 0
oC to +70oC (C82C237),
TA = -40
oC to +85oC (I82C237),
TA = -55
oC to +125oC (M82C237) (Continued)
SYMBOL
PARAMETER
82C237
82C237-12
UNITS
MIN
MAX
MIN
MAX
相关PDF资料 |
PDF描述 |
|---|---|
| MR82C237-12/B | 4 CHANNEL(S), 12.5 MHz, DMA CONTROLLER, CQCC44 |
| MD82C237-12/B | 4 CHANNEL(S), 12.5 MHz, DMA CONTROLLER, CDIP40 |
| MR82C237/B | 4 CHANNEL(S), 8 MHz, DMA CONTROLLER, CQCC44 |
| MD82C55A-5/883 | 24 I/O, PIA-GENERAL PURPOSE, CDIP40 |
| MD82C55A/883 | 24 I/O, PIA-GENERAL PURPOSE, CDIP40 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MD82C284-10 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
| MD82C284-10/883 | 制造商:Rochester Electronics LLC 功能描述:PERIPH CLK GENERATOR 5V 10MHZ 18CDIP /883 - Bulk |
| MD82C284-10/B | 制造商:Rochester Electronics LLC 功能描述: |
| MD82C284-12/883 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Clock Generator and Ready Interface for 80C286 Processors |
| MD82C284-6 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
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