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參數(shù)資料
| 型號(hào)： | 100344 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Low Power 8-Bit Latch with Cut-Off Drivers |
| 中文描述： | 低功耗8位鎖存器的截止點(diǎn)驅(qū)動(dòng) |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 170K |
| 代理商： | 100344 |
100344
Low Power 8-Bit Latch with Cut-Off Drivers
General Description
The 100344 contains eight D-type latches, individual inputs
(D
), outputs (Q
), a common enable pin (E), latch enable
(LE), and output enable pin (OEN). A Q output follows its D
input when both E and LE are LOW. When either E or LE (or
both) are HIGH, a latch stores the last valid data present on
its D input prior to E or LE going HIGH.
A HIGH on OEN holds the outputs in a cut-off state. The
cut-off state is designed to be more negative than a normal
ECL LOW level. This allows the output emitter-followers to
turn off when the termination supply is 2.0V, presenting a
high impedance to the data bus. This high impedance re-
duces termination power and prevents loss of low state
noise margin when several loads share the bus.
The 100344 outputs are designed to drive a doubly termi-
nated 50
transmission line (25
load impedance). All in-
puts have 50 k
pull-down resistors.
Features
n
Cut-off drivers
n
Drives 25
load
n
Low power operation
n
2000V ESD protection
n
Voltage compensated operating range = 4.2V to 5.7V
n
Available to MIL-STD-883
Logic Symbol
Pin Names
D
0
–D
7
E
LE
OEN
Q
0
–Q
7
Description
Data Inputs
Enable Input
Latch Enable Input
Output Enable Input
Data Outputs
Connection Diagrams
DS100317-4
24-Pin DIP
DS100317-1
24-Pin Quad Cerpak
DS100317-2
August 1998
1
1998 National Semiconductor Corporation
DS100317
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 100344PC | Low Power 8-Bit Latch with Cut-Off Drivers |
| 100344QC | Low Power 8-Bit Latch with Cut-Off Drivers |
| 100344QI | Low Power 8-Bit Latch with Cut-Off Drivers |
| 100344QCX | 8-Bit D-Type Latch |
| 100344QIX | 8-Bit D-Type Latch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 1003446 | 功能描述:接線端子工具和配件 ES/LP-BW RoHS:否 制造商:Phoenix Contact 產(chǎn)品:Tools & Accessories 類型:End Bracket |
| 10034475-101 | 功能描述:板對(duì)板與夾層連接器 563 - AIRMAX VS RoHS:否 制造商:JAE Electronics 系列:WP3 產(chǎn)品類型:Receptacles 節(jié)距:0.4 mm 疊放高度:1 mm 安裝角: 位置/觸點(diǎn)數(shù)量:50 排數(shù):2 外殼材料:Plastic 觸點(diǎn)材料:Copper Alloy 觸點(diǎn)電鍍:Gold 電壓額定值:50 V 電流額定值:0.4 A |
| 10034475101LF | 制造商:FCI 功能描述:Pb Free |
| 10034475-101LF | 功能描述:高速/模塊連接器 150P RA RECEPT RoHS:否 制造商:Molex 系列:iPass 產(chǎn)品類型: 排數(shù): 列數(shù): 位置/觸點(diǎn)數(shù)量:38 安裝角:Right 節(jié)距:0.8 mm 安裝風(fēng)格:Plug 端接類型:SMD/SMT 外殼材料:Thermoplastic 觸點(diǎn)材料:High Performance Alloy (HPA) 觸點(diǎn)電鍍:Gold |
| 10034475-101LF | 制造商:FCI 功能描述:Hard Metric Connector |
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