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参数资料
| 型号： | DG884AM883 |
| 厂商： | Vishay Intertechnology,Inc. |
| 英文描述： | 8 x 4 Wideband Video Crosspoint Array |
| 中文描述： | 8 × 4交叉点阵列宽带视频 |
| 文件页数： | 7/14页 |
| 文件大小： | 166K |
| 代理商： | DG884AM883 |
DG884
Vishay Siliconix
Document Number: 70071
S-52433—Rev. G, 20-Dec-04
www.vishay.com
7
TIMING DIAGRAMS
FIGURE 1.
Input Timing Requirements
t
SW
t
AW
Presetting Device A
CS for
CS for
B
0
B
1
Address
A
0
A
3
WR
SALVO
RS
I/O
Select Output 1
Presetting Device B
Don’t Care
Don’t Care
Select Output 2
Output N
Select Input
Select Input
Input
Reset Occuring at Any Time Results In All Current Event Latches Being Cleared
t
WA
t
WA
t
AW
t
WA
t
WP
t
SP
t
RS
t
CW
t
CA
t
IA
t
WS
t
AW
t
WC
t
SP
t
SW
t
CW
t
WS
Input
FIGURE 2.
Output Timing Requirements
t
AO
t
AO
CS for
Device A
CS for
Device B
Interrogating Device A
Address
B
0
B
1
Address
A
0
A
3
WR
SALVO
RS
I/O
Reset Occuring at Any Time Results In All Current Event Latches Being Cleared
t
IO
Select Current
Event Latch
Interrogating Device B
Output
t
C
O
t
AO
Latch N
t
CA
Out N
t
C
O
t
C
A
t
AO
t
IA
Address Output 1
Address Output
PARAMETER DEFINITIONS
Symbol
Parameter
Description
T
AW
T
WA
T
WP
T
CW
T
WC
T
SP
T
WS
T
SW
T
IA
T
RS
T
IO
T
AO
T
CO
T
CA
Address to Write
Minimum time address must be valid before WR goes high
Write to Address
Minimum time address must remain valid after WR pulse goes high
WR Pulse
Minimum time of WR pulse width to write address into Next Event latches
Chip Select to WR
Minimum time chip select must be valid before a WR pulse
WR to Chip Select
Minimum time chip select must remain valid after WR pulse
SALVO Pulse
Minimum time of SALVO pulse width
WR to SALVO
Minimum time from WR pulse to SALVO to load new address
SALVO to WR
Minimum time from SALVO pulse to WR to load current address
I/O to Address In
Minimum time I/O must be valid before address applied
RS to SALVO
Minimum time RS must be valid before SALVO pulse
I/O to Output
Minimum time I/O must be valid before address output valid
Address to Output
Minimum time address B
X
must be valid until address A
X
output valid
Minimum time CS must be valid until A
X
output is valid
Minimum time CS must be valid before address applied if I/O is high
CS to Output
CS to Address In
相关PDF资料 |
PDF描述 |
|---|---|
| DG884 | 8 x 4 Wideband Video Crosspoint Array(8 x 4宽带视频交叉开关) |
| DG894 | Component Video Selector(用于视频信号转换的视频选择器) |
| DG894 | Component Video Selector |
| DG9051 | Precision 8-Ch/Dual 4-Ch/Triple 2-Ch Low Voltage Analog Switches/Multiplexers |
| DG9051DQ-T1-E3 | Precision 8-Ch/Dual 4-Ch/Triple 2-Ch Low Voltage Analog Switches/Multiplexers |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DG884AP | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Cross-Point Switch |
| DG884DJ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Cross-Point Switch |
| DG884DN | 功能描述:视频开关 IC 8x4 Video Crosspoint 18 RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| DG884DN-E3 | 功能描述:多路器开关 IC 8x4 Wideband Video Multiplexer/MUX RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| DG894 | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:Component Video Selector |
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