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參數資料
| 型號： | MC74VHCT245A |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Octal Bus Transceiver(八雙向收發器) |
| 中文描述： | 八路總線收發器（八雙向收發器） |
| 文件頁數： | 1/7頁 |
| 文件大小： | 106K |
| 代理商： | MC74VHCT245A |
Semiconductor Components Industries, LLC, 2006
January, 2006 Rev. 5
1
Publication Order Number:
MC74VHCT245A/D
MC74VHCT245A
Octal Bus Transceiver
The MC74VHCT245A is an advanced high speed CMOS octal bus
transceiver fabricated with silicon gate CMOS technology. It achieves
high speed operation similar to equivalent Bipolar Schottky TTL
while maintaining CMOS low power dissipation.
It is intended for twoway asynchronous communication between
data buses. The direction of data transmission is determined by the
level of the DIR 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.
The VHCT inputs are compatible with TTL levels. This device can
be used as a level converter for interfacing 3.3 V to 5.0 V, because it
has full 5.0 V CMOS level output swings.
The VHCT245A input and output (when disabled) structures
provide protection when voltages between 0 V and 5.5 V are applied,
regardless of the supply voltage. These input and output structures
help prevent device destruction caused by supply
voltageinput/output voltage mismatch, battery backup, hot insertion,
etc.
Features
High Speed: t
PD
= 4.9 ns (Typ) at V
CC
= 5.0 V
Low Power Dissipation: I
CC
= 4 A (Max) at T
A
= 25
°
C
TTLCompatible Inputs: V
IL
= 0.8 V; V
IH
= 2.0 V
Power Down Protection Provided on Inputs and Outputs
Balanced Propagation Delays
Designed for 4.5 V to 5.5 V Operating Range
Low Noise: V
OLP
= 1.6 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
Chip Complexity: 304 FETs or 76 Equivalent Gates
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.
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
SOEIAJ20
SUFFIX M
CASE 967
http://onsemi.com
See detailed ordering and shipping information in the package
dimensions section on page 4 of this data sheet.
ORDERING INFORMATION
MARKING
DIAGRAMS
74VHCT245
AWLYWWG
20
1
20
1
1
TSSOP20
SUFFIX DT
CASE 948E
SOIC20WB
SUFFIX DW
CASE 751D
VHCT
245A
ALYW
1
1
20
1
VHCT245A
AWLYYWWG
A
WL, L
YY, Y
WW, W
G or
= Assembly Location
= Wafer Lot
= Year
= Work Week
= PbFree Package
(Note: Microdot may be in either location)
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| MC74VHCT74A | Dual D-Type Flip-Flop(雙D觸發器) |
| MC74VHCT86A | Quad 2-Input XOR Gate/CMOS Logic Level Shifter(四2輸入異或門/CMOS邏輯電平移位器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC74VHCT245ADT | 功能描述:總線收發器 5V Octal Bus 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 |
| MC74VHCT245ADTG | 功能描述:總線收發器 5V Octal Bus Transceiver 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 |
| MC74VHCT245ADTR2 | 功能描述:總線收發器 5V Octal Bus 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 |
| MC74VHCT245ADTRG | 功能描述:總線收發器 5V Octal Bus Transceiver 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 |
| MC74VHCT245ADW | 功能描述:總線收發器 5V Octal Bus 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 |
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