參數(shù)資料
型號(hào): SN74AVCH245PW
廠商: Texas Instruments, Inc.
英文描述: OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
中文描述: 八路總線收發(fā)器具有三態(tài)輸出
文件頁(yè)數(shù): 2/12頁(yè)
文件大?。?/td> 177K
代理商: SN74AVCH245PW
SN74AVCH245
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES264C – APRIL 1999 – REVISED DECEMBER 1999
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
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.
This device is fully specified for partial-power-down applications using I
off
. The I
off
circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
The SN74AVCH245 is characterized for operation from –40
°
C to 85
°
C.
terminal assignments
DGV, DW, OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
V
CC
OE
B1
B2
B3
B4
B5
B6
B7
B8
FUNCTION TABLE
(each transceiver)
INPUTS
OE
OPERATION
DIR
L
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
P
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74AVCH24T245GRGR 功能描述:轉(zhuǎn)換 - 電壓電平 24B Dual-Supply Bus Trans RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8
SN74AVCH24T245ZRGR 功能描述:轉(zhuǎn)換 - 電壓電平 24B Dual-Supply Bus Trans RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8
SN74AVCH2T45DCTR 功能描述:轉(zhuǎn)換 - 電壓電平 DUALB DUAL SUPPLY Bus Transceiver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8
SN74AVCH2T45DCTT 功能描述:轉(zhuǎn)換 - 電壓電平 DUALB DUAL SUPPLY Bus Transceiver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8
SN74AVCH2T45DCUR 功能描述:轉(zhuǎn)換 - 電壓電平 DUALBDUALSplyBUS Transw/CnfgrbleVltg RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8