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參數資料
| 型號： | MC74LVX245DWR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Bus Transceiver With 5 V−Tolerant Inputs |
| 中文描述： | LV/LV-A/LVX/H SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | LEAD FREE, SOIC-20 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 110K |
| 代理商： | MC74LVX245DWR2G |
Semiconductor Components Industries, LLC, 2005
March, 2005 Rev. 3
1
Publication Order Number:
MC74LVX245/D
MC74LVX245
Octal Bus Transceiver
With 5 VTolerant Inputs
The MC74LVX245 is an advanced high speed CMOS octal bus
transceiver.
It is intended for twoway asynchronous communication between
data buses. The direction of data transmission is determined by the
level of the T/R input. The output enable pin (OE) can be used to
disable the device, so that the buses are effectively isolated.
All inputs are equipped with protection circuits against static
discharge.
Features
High Speed: t
PD
= 4.7 ns (Typ) at V
CC
= 3.3 V
Low Power Dissipation: I
CC
= 4 A (Max) at T
A
= 25
°
C
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Low Noise: V
OLP
= 0.8 V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300 mA
ESD Performance: Human Body Model > 2000 V;
Machine Model > 200 V
PbFree Packages are Available*
Application Notes
Do not force a signal on an I/O pin when it is an active output,
damage may occur
All floating (high impedance) input or I/O pins must be fixed by
means of pullup or pulldown resistors or bus terminator ICs
A parasitic diode is formed between the bus and V
CC
terminals.
Therefore, the LVX245 cannot be used to interface 5.0 V to 3.0 V
systems directly
Figure 1. 20Lead Pinout
(Top View)
19
20
18
17
16
15
14
2
1
3
4
5
6
7
V
CC
13
8
12
9
11
10
OE
B0
B1
B2
B3
B4
B5
B6
B7
T/R
A0
A1
A2
A3
A4
A5
A6
A7
GND
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
A
WL, L
Y, YY
W, WW = Work Week
= Assembly Location
= Wafer Lot
= Year
http://onsemi.com
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
ORDERING INFORMATION
MARKING
DIAGRAMS
20
1
1
20
SOIC20
DW SUFFIX
CASE 751D
LVX245
AWLYYWW
LVX
245
ALYW
TSSOP20
DT SUFFIX
CASE 948E
SOEIAJ20
M SUFFIX
CASE 967
74LVX245
AWLYWW
1
1
1
20
1
20
20
20
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相關代理商/技術參數 |
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|---|---|
| MC74LVX245M | 功能描述:IC BUS TRANSCVR 8BIT 20SOEIAJ RoHS:否 類別:集成電路 (IC) >> 邏輯 - 緩沖器，驅動器，接收器，收發器 系列:74LVX 標準包裝:1 系列:74ACTQ 邏輯類型:緩沖器/線路驅動器，非反相 元件數:1 每個元件的位元數:8 輸出電流高，低:24mA，24mA 電源電壓:4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:20-TSSOP 包裝:Digi-Reel® 其它名稱:74ACTQ541MTCDKR |
| MC74LVX245MEL | 功能描述:IC BUS TRANSCVR 8BIT 20SOEIAJ RoHS:否 類別:集成電路 (IC) >> 邏輯 - 緩沖器，驅動器，接收器，收發器 系列:74LVX 標準包裝:1 系列:74ACTQ 邏輯類型:緩沖器/線路驅動器，非反相 元件數:1 每個元件的位元數:8 輸出電流高，低:24mA，24mA 電源電壓:4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:20-TSSOP 包裝:Digi-Reel® 其它名稱:74ACTQ541MTCDKR |
| MC74LVX245MELG | 功能描述:總線收發器 LOG CMOS TRNSCIEVR OCTAL 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 |
| MC74LVX245MG | 功能描述:總線收發器 LOG CMOS TRNSCIEVR OCTAL 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 |
| MC74LVX257D | 功能描述:編碼器、解碼器、復用器和解復用器 2-3.6V Quad 3-State RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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