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參數資料
| 型號： | 74ACQ544 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Quiet Series⑩ Octal Registered Transceiver with 3-STATE Outputs |
| 中文描述： | 安靜系列⑩八路注冊收發(fā)器三態(tài)輸出 |
| 文件頁數： | 2/9頁 |
| 文件大?。?/td> | 86K |
| 代理商： | 74ACQ544 |
www.fairchildsemi.com
2
7
Logic Symbols
IEEE/IEC
Functional Description
The ACQ/ACTQ544 contains two sets of eight D-type
latches, with separate input and output controls for each
set. For data flow from A to B, for example, the A-to-B
Enable (CEAB) input must be LOW in order to enter data
from A
0
–
A
7
or take data from B
0
–
B
7
, as indicated in the
Data I/O Control Table. With CEAB LOW, a LOW signal on
the A-to-B Latch Enable (LEAB) input makes the A-to-B
latches transparent; a subsequent LOW-to-HIGH transition
of the LEAB signal puts the A latches in the storage mode
and their outputs no longer change with the A inputs. With
CEAB and OEAB both LOW, the 3-STATE B output buffers
are active and reflect the data present at the output of the A
latches. Control of data flow from B to A is similar, but using
the CEBA, LEBA and OEBA inputs.
Data I/O Control Table
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
A-to-B data flow shown; B-to-A flow control is the same, except using
CEBA, LEBA and OEBA
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
Inputs
Latch
Output
CEAB
LEAB
OEAB
Status
Buffers
H
X
X
Latched
High Z
X
H
X
Latched
—
L
L
X
Transparent
—
X
X
H
—
High Z
L
X
L
—
Driving
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| 74ACQ573 | Quiet Series⑩ Octal Latch with 3-STATE Outputs |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 74ACQ544 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74ACQ544SC | 功能描述:IC TRANSCEIVER 8BIT N-INV 24SOIC RoHS:否 類別:集成電路 (IC) >> 邏輯 - 緩沖器，驅動器，接收器，收發(fā)器 系列:74ACQ 標準包裝:720 系列:74LVCZ 邏輯類型:緩沖器/線路驅動器，非反相 元件數:2 每個元件的位元數:4 輸出電流高，低:24mA，24mA 電源電壓:2.7 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:20-DIP（0.300"，7.62mm） 供應商設備封裝:20-PDIP 包裝:管件 |
| 74ACQ544SCX | 功能描述:總線收發(fā)器 Oct Registered Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74ACQ563PC | 功能描述:IC OCTAL INVERT LATCH 20 DIP 制造商:on semiconductor 系列:74ACQ 包裝:管件 零件狀態(tài):停產 邏輯類型:- 電路:- 輸出類型:- 電壓 - 電源:- 延遲時間 - 傳播:- 電流 - 輸出高，低:- 工作溫度:- 安裝類型:通孔 封裝/外殼:20-DIP（0.300"，7.62mm） 供應商器件封裝:20-PDIP 基本零件編號:74ACQ563 標準包裝:18 |
| 74ACQ564PC | 功能描述:IC OCT INVERT D FLIPFLOP 20 DIP 制造商:on semiconductor 系列:74ACQ 包裝:管件 零件狀態(tài):停產 功能:- 類型:D 型 輸出類型:三態(tài)，非反相 元件數:1 每元件位數:8 觸發(fā)器類型:正邊沿 電流 - 輸出高，低:24mA，24mA 電壓 - 電源:2 V ~ 6 V 工作溫度:-40°C ~ 85°C（TA） 安裝類型:通孔 封裝/外殼:20-DIP（0.300"，7.62mm） 基本零件編號:74ACQ564 標準包裝:18 |
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