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參數(shù)資料
| 型號： | MC74ACT373N |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LATCH OCT TRANSP 3ST 20-DIP |
| 產(chǎn)品變化通告： | Product Discontinuation 20/Aug/2008 |
| 標準包裝： | 18 |
| 系列： | 74ACT |
| 邏輯類型： | D 型透明鎖存器 |
| 電路： | 8:8 |
| 輸出類型： | 三態(tài) |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 獨立電路： | 1 |
| 延遲時間 - 傳輸： | 7ns |
| 輸出電流高，低： | 24mA，24mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 20-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 20-PDIP |
| 包裝： | 管件 |
MC74AC373, MC74ACT373
http://onsemi.com
2
TRUTH TABLE
Inputs
Outputs
OE
LE
Dn
On
H
X
Z
L
H
L
H
L
X
O0
H = HIGH Voltage Level
L = LOW Voltage Level
Z = High Impedance
X = Immaterial
O0 = Previous O0 before LOW-to-HIGH Transition of Clock
FUNCTIONAL DESCRIPTION
The MC74AC373/74ACT373 contains eight Dtype
latches with 3state standard outputs. When the Latch
Enable (LE) input is HIGH, data on the Dn 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 inputs a setup time preceding the
HIGHtoLOW transition of LE. The 3-state standard
outputs are controlled by the Output Enable (OE) input.
When OE is LOW, the standard outputs are in the 2state
mode. When OE is HIGH, the standard outputs are in the
high impedance mode but this does not interfere with
entering new data into the latches.
Figure 3. Logic Diagram
D
G
O
D
G
O
D
G
O
D
G
O
D
G
O
D
G
O
D
G
O
D
G
O
D1
D2
D3
D4
D5
D6
D7
LE
OE
D0
NOTE:
This diagram is provided only for the understanding of logic operations and
should not be used to estimate propagation delays.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74ACT373NG | 功能描述:閉鎖 5V Octal Transparent w/3 State Outupts 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 |
| MC74ACT373SDR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74ACT374 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS |
| MC74ACT374DT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| MC74ACT374DTR2 | 功能描述:觸發(fā)器 5V CMOS Octal RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
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