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參數(shù)資料
| 型號： | 100344QI |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Low Power 8-Bit Latch with Cut-Off Drivers |
| 中文描述： | 100K SERIES, 8-BIT DRIVER, TRUE OUTPUT, PQCC28 |
| 封裝： | 0.450 X 0.450 INCH, PLASTIC, MO-047, LCC-28 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 170K |
| 代理商： | 100344QI |
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 |
|---|---|
| 100344QCX | 8-Bit D-Type Latch |
| 100344QIX | 8-Bit D-Type Latch |
| 100350PC | Low Power Hex D-Type Latch |
| 100350 | Low Power Hex D-Type Latch |
| 100350QCX | 6-Bit D-Type Latch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 100344QIX | 功能描述:閉鎖 8-Bit Latch RoHS:否 制造商:Micrel 電路數(shù)量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數(shù)量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時(shí)間: 電源電壓-最大:12 V 電源電壓-最小:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-16 封裝:Reel |
| 1003450000 | 制造商:Weidmuller 功能描述: |
| 100345-001 | 制造商:Freescale Semiconductor 功能描述: |
| 1003451051 | 功能描述:ZQSFP TO 4ZSFP 25G CBL ASSY 0.5M 制造商:molex, llc 系列:* 零件狀態(tài):新產(chǎn)品 標(biāo)準(zhǔn)包裝:1 |
| 1003451101 | 功能描述:ZQSFP TO 4ZSFP 25G CBL ASSY 1M 3 制造商:molex, llc 系列:* 零件狀態(tài):新產(chǎn)品 標(biāo)準(zhǔn)包裝:1 |
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