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參數(shù)資料
| 型號： | 74AVCH4T245PWTE4 |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 12/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC BUS TRANSCVR 4BIT 16TSSOP |
| 標準包裝： | 250 |
| 系列： | 74AVCH |
| 邏輯功能： | 變換器，雙向，3 態(tài) |
| 位數(shù)： | 2 |
| 輸入類型： | 邏輯 |
| 輸出類型： | 邏輯 |
| 數(shù)據(jù)速率： | 380Mbps |
| 通道數(shù)： | 1 |
| 輸出/通道數(shù)目： | 2 |
| 差分 - 輸入:輸出： | 無/無 |
| 傳輸延遲（最大）： | 2.9ns |
| 電源電壓： | 1.2 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 16-TSSOP |
| 包裝： | 帶卷 (TR) |
www.ti.com
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
DIR
OE
A1
B1
A2
B2
4-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES577D – JUNE 2004 – REVISED JUNE 2007
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown
resistors with the bus-hold circuitry is not recommended.
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.
ORDERING INFORMATION
TA
PACKAGE(1)(2)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
QFN – RGY
Tape and reel
SN74AVCH4T245RGYR
WS245
QFN – RSV
Tape and reel
SN74AVCH4T245RSVR
ZWV
Tube
SN74AVCH4T245D
SOIC – D
AVCH4T245
–40
°C to 85°C
Tape and reel
SN74AVCH4T245DR
Tube
SN74AVCH4T245PW
TSSOP – PW
WS245
Tape and reel
SN74AVCH4T245PWR
TVSOP – DGV
Tape and reel
SN74AVCH4T245DGVR
WS245
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
(2)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
FUNCTION TABLE(1)
(EACH 2-BIT SECTION)
CONTROL INPUTS
OUTPUT CIRCUITS
OPERATION
OE
DIR
A PORT
B PORT
L
Enabled
Hi-Z
B data to A bus
L
H
Hi-Z
Enabled
A data to B bus
H
X
Hi-Z
Isolation
(1)
Input circuits of the data I/Os are always active.
LOGIC DIAGRAM (POSITIVE LOGIC) FOR 1/2 OF AVCH4T245
2
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 74AVCH4T245PWTG4 | 功能描述:轉換 - 電壓電平 4B Dual-Supply Bus Transceiver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| 74AVCH4T245RGYRG4 | 功能描述:轉換 - 電壓電平 4-Bit Dual-Supply Bus Xcvr RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| 74AVCH4T245RSVRG4 | 功能描述:轉換 - 電壓電平 4B Dual-Supply Bus Transceiver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| 74AVCH8T245 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit dual supply translating transceiver with configurable voltage translation; 3-state |
| 74AVCH8T245BQ | 制造商:NXP Semiconductors 功能描述:IC 8BIT TXRX TRI-ST DHVQFN |
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