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參數(shù)資料
| 型號(hào)： | SN74ALVTH16646DGVR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ALVT SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56 |
| 封裝： | PLASTIC, TVSOP-56 |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大小： | 194K |
| 代理商： | SN74ALVTH16646DGVR |
SN54ALVTH16646, SN74ALVTH16646
2.5-V/3.3-V 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCES072A – JUNE 1996 – REVISED JULY 1996
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
When VCC is between 0 and 1.2 V, the device is in the high-impedance state during power up or power down.
However, to ensure the high-impedance state above 1.2 V, 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.
The SN74ALVTH16646 is available in TI’s thin very small-outline package (DGV), which provides the same I/O
pin count and functionality of standard Widebus packages in less than half the printed circuit board area.
The SN54ALVTH16646 is characterized for operation over the full military temperature range of – 55
°C to
125
°C. The SN74ALVTH16646 is characterized for operation from –40°C to 85°C.
FUNCTION TABLE
INPUTS
DATA I/OS
OPERATION OR FUNCTION
OE
DIR
CLKAB
CLKBA
SAB
SBA
A1 – A8
B1 – B8
OPERATION OR FUNCTION
X
=
X
Input
Unspecified
Store A, B unspecified
X
XX
↑
X
Unspecified
Input
Store B, A unspecified
H
X
↑
X
Input
Store A and B data
H
X
H or L
X
Input disabled
Isolation, hold storage
L
X
L
Output
Input
Real-time B data to A bus
L
X
H or L
X
H
Output
Input
Stored B data to A bus
L
H
X
L
X
Input
Output
Real-time A data to B bus
L
H
H or L
X
H
X
Input
Output
Stored A data to B bus
The data output functions can be enabled or disabled by various signals at OE and DIR. Data input functions are always enabled; i.e., data at
the bus pins is stored on every low-to-high transition of the clock inputs.
PRODUCT
PREVIEW
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74ALVTH16821DL | 功能描述:觸發(fā)器 2.5/3.3V 20bit Univ 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(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74ALVTH16821DLR | 功能描述:觸發(fā)器 2.5/3.3V 20bit Univ 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(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74ALVTH16821GR | 功能描述:觸發(fā)器 2.5/3.3V 20bit Univ 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(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74ALVTH16821VR | 功能描述:觸發(fā)器 2.5/3.3V 20bit Univ 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(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74ALVTH16827DGGR | 制造商:Texas Instruments 功能描述: |
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