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參數資料
| 型號： | 74F373MSA |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Transparent Latch with 3-STATE Outputs |
| 中文描述： | F/FAST SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 5.30 MM ,EIAJ TYPE2, SSOP-20 |
| 文件頁數： | 2/8頁 |
| 文件大?。?/td> | 174K |
| 代理商： | 74F373MSA |
Unit Loading/Fan Out
54F/74F
Pin Names
Description
U.L.
Input I
IH
/I
IL
Output I
OH
/I
OL
HIGH/LOW
D
0
–D
7
LE
OE
O
0
–O
7
Data Inputs
Latch Enable Input (Active HIGH)
Output Enable Input (Active LOW)
TRI-STATE Latch Outputs
1.0/1.0
1.0/1.0
1.0/1.0
150/40 (33.3)
20
m
A/
b
0.6 mA
20
m
A/
b
0.6 mA
20
m
A/
b
0.6 mA
b
3 mA/24 mA (20 mA)
Functional Description
The ’F373 contains eight D-type latches with TRI-STATE
output buffers. When the Latch Enable (LE) input is HIGH,
data on the D
n
inputs enters the latches. In this condition
the latches are transparent, i.e., a latch output will change
state each time its D input changes. When LE is LOW, the
latches store the information that was present on the D in-
puts a setup time preceding the HIGH-to-LOW transition of
LE. The TRI-STATE buffers are controlled by the Output
Enable (OE) input. When OE is LOW, the buffers are in the
bi-state mode. When OE is HIGH the buffers are in the high
impedance mode but this does not interfere with entering
new data into the latches.
Truth Table
Inputs
Output
LE
OE
D
n
O
n
H
H
L
X
L
L
L
H
H
L
X
X
H
L
O
n
(no change)
Z
H
e
HIGH Voltage Level
L
e
LOW Voltage Level
X
e
Immaterial
Z
e
High Impedance State
Logic Diagram
TL/F/9523–5
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
2
相關PDF資料 |
PDF描述 |
|---|---|
| 74F373 | Octal Transparent Latch with 3-STATE Outputs |
| 74F373PC | Octal Transparent Latch with 3-STATE Outputs |
| 74F373SJ | Octal Transparent Latch with 3-STATE Outputs |
| 74F373SC | Octal Transparent Latch with 3-STATE Outputs |
| 74F374 | Octal D-Type Flip-Flop with TRI-STATE Outputs(帶時鐘使能端八路D觸發(fā)器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 74F373MSA_Q | 功能描述:閉鎖 Octal Trans Latch RoHS:否 制造商:Micrel 電路數量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 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 |
| 74F373MSAX | 功能描述:閉鎖 Octal Trans Latch RoHS:否 制造商:Micrel 電路數量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 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 |
| 74F373N | 制造商:NXP Semiconductors 功能描述:OCTAL 3-STATE LATCH 制造商:North American Philips Discrete Products Div 功能描述:Latch, Single, 8 Bit, 20 Pin, Plastic, DIP 制造商:NXP Semiconductors 功能描述:Latch, Single, 8 Bit, 20 Pin, Plastic, DIP |
| 74F373PC | 功能描述:閉鎖 Octal Trans Latch RoHS:否 制造商:Micrel 電路數量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 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 |
| 74F373PC | 制造商:Fairchild Semiconductor Corporation 功能描述:74F FAST TTL 74F373 DIP20 5.5V |
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