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参数资料
| 型号： | SN74LVCZ245ADWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封装： | GREEN, PLASTIC, SOIC-20 |
| 文件页数： | 1/15页 |
| 文件大小： | 484K |
| 代理商： | SN74LVCZ245ADWR |
SN74LVCZ245A
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES275G – JUNE 1999 – REVISED AUGUST 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Operates From 2.7 V to 3.6 V
D Inputs Accept Voltages to 5.5 V
D Max tpd of 6.3 ns at 3.3 V
D Typical VOLP (Output Ground Bounce)
<0.8 V at VCC = 3.3 V, TA = 25°C
D Typical VOHV (Output VOH Undershoot)
>2 V at VCC = 3.3 V, TA = 25°C
D Ioff and Power-Up 3-State Support Hot
Insertion
D Supports Mixed-Mode Signal Operation on
All Ports (5-V Input/Output Voltage With
3.3-V VCC)
D Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
description/ordering information
This octal bus transceiver is designed for 2.7-V to 3.6-V VCC operation.
The SN74LVCZ245A is designed for asynchronous communication between data buses. The device transmits
data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the
direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are
effectively isolated.
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator
in a mixed 3.3-V/5-V system environment.
When VCC is between 0 and 1.5 V, the device is in the high-impedance state during power up or power down.
However, to ensure the high-impedance state above 1.5 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.
This device is fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry
disables the outputs, preventing damaging current backflow through the device when it is powered down. The
power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down,
which prevents driver conflict.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
–40 C to 85 C
PDIP – N
Tube of 20
SN74LVCZ245AN
–40 C to 85 C
SOIC – DW
Tube of 25
SN74LVCZ245ADW
LVCZ245A
–40 C to 85 C
SOIC – DW
Reel of 2000
SN74LVCZ245ADWR
LVCZ245A
–40
°C to 85°C
SOP – NS
Reel of 2000
SN74LVCZ245ANSR
LVCZ245A
–40
°C to 85°C
SSOP – DB
Reel of 2000
SN74LVCZ245ADBR
CV245A
TSSOP – PW
Tube of 70
SN74LVCZ245APW
CV245A
TSSOP – PW
Reel of 2000
SN74LVCZ245APWR
CV245A
Reel of 250
SN74LVCZ245APWT
CV245A
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
Copyright
2003, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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
VCC
OE
B1
B2
B3
B4
B5
B6
B7
B8
DB, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74LVCZ245ADWRE4 | 功能描述:总线收发器 20-Bit FET Bus Switch RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74LVCZ245ADWRG4 | 功能描述:总线收发器 Octal Bus Transceivr RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74LVCZ245AN | 功能描述:总线收发器 Octal Bus Trnscvr With 3-State Outputs RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74LVCZ245ANE4 | 功能描述:总线收发器 Octal Bus Trnscvr With 3-State Outputs RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74LVCZ245ANS | 制造商:Texas Instruments 功能描述:IC,Logic,LVC Series |
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