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參數(shù)資料
| 型號： | SN74LVTH574DWR |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 12/25頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OCT D-TYPE TRI-ST F/F 20-SOIC |
| 標準包裝： | 1 |
| 系列： | 74LVTH |
| 功能： | 標準 |
| 類型： | D 型總線 |
| 輸出類型： | 三態(tài)非反相 |
| 元件數(shù)： | 1 |
| 每個元件的位元數(shù)： | 8 |
| 頻率 - 時鐘： | 150MHz |
| 延遲時間 - 傳輸： | 3ns |
| 觸發(fā)器類型： | 正邊沿 |
| 輸出電流高，低： | 32mA，64mA |
| 電源電壓： | 2.7 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 包裝： | 標準包裝 |
| 產(chǎn)品目錄頁面： | 1001 (CN2011-ZH PDF) |
| 其它名稱： | 296-1719-6 |
SN54LVTH574, SN74LVTH574
3.3-V ABT OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCBS688G MAY 1997 REVISED SEPTEMBER 2003
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description/ordering information (continued)
The eight flip-flops of the ’LVTH574 devices are edge-triggered D-type flip-flops. On the positive transition of
the clock (CLK) input, the Q outputs are set to the logic levels set up at the data (D) inputs.
A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high
or low logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive
the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus
lines without need for interface or pullup components.
OE does not affect the internal operations of the flip-flops. Old data can be retained or new data can be entered
while the outputs are in the high-impedance state.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level. Use of pullup
or pulldown resistors with the bus-hold circuitry is not recommended.
These devices are fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry
disables the outputs, preventing damaging current backflow through the devices when they are powered down.
The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down,
which prevents driver conflict.
terminal assignments
1234
A
1D
OE
VCC
1Q
B
3D
3Q
2D
2Q
C
5D
4D
5Q
4Q
D
7D
7Q
6D
6Q
E
GND
8D
CLK
8Q
FUNCTION TABLE
(each flip-flop)
INPUTS
OUTPUT
OE
CLK
D
OUTPUT
Q
L
↑
H
L
↑
LL
L
H or L
X
Q0
H
X
Z
SN74LVTH574 . . . GQN OR ZQN PACKAGE
(TOP VIEW)
1
234
A
B
C
D
E
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SN74LVTH574DWRE4 | 功能描述:觸發(fā)器 ABT Octal Edge-Trig D-Type F-F 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 |
| SN74LVTH574DWRG4 | 功能描述:觸發(fā)器 3.3V ABT Octal Edge Trgerd DTyp FlipFlop 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 |
| SN74LVTH574GQNR | 功能描述:觸發(fā)器 Tri-State ABT 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 |
| SN74LVTH574IPWREP | 功能描述:觸發(fā)器 Mil Enhance 3.3V ABT Octal Edge-Trgrd 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 |
| SN74LVTH574NS | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
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