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PS2068F
11/10/08
Product Description
The PI74LPT16245 is a 16-bit bidirectional transceiver designed
for asynchronous two-way communication between data buses.
The direction control input pin (xDIR) determines the direction
of data ow through the bidirectional transceiver. The Direction
and Output Enable controls are designed to operate this device as
either two independent 8-bit transceivers or one 16-bit transceiver.
The output enable (OE) input, when HIGH, disables both A and B
ports by placing them in HIGH Z condition.
The PI74LPT16245 can be driven from either 3.3V or 5.0V
devices allowing this device to be used as a translator in a mixed
3.3/5.0V system.
PI74LPT16245
Fast CMOS 3.3V 16-Bit
Bidirectional Transceiver
Product Features
Compatible with LCX and LVT families of products
Supports 5V Tolerant Mixed Signal Mode Operation
– Input can be 3V or 5V
– Output can be 3V or connected to 5V bus
Advanced Low Power CMOS Operation
Excellent output drive capability:
Balanced drives (24 mA sink and source)
Pin compatible with industry standard double-density pinouts
Low ground bounce outputs
Hysteresis on all inputs
Industrial operating temperature range: –40°C to +85°C
Multiple center pins and distributed Vcc/GND pins minimize
switching noise
Packaging (Pb-free & Green available):
– 48-pin 240 mil wide thin plastic TSSOP (A)
– 48-pin 300 mil wide plastic SSOP (V)
Logic Block Diagram
1
B0
1
A0
1
OE
1
DIR
1
B1
1
A1
1
B2
1
A2
1
B3
1
A3
1
B4
1
A4
1
B5
1
A5
1
B6
1
A6
1
B7
1
A7
2
B0
2
A0
2
OE
2
DIR
2
B1
2
A1
2
B2
2
A2
2
B3
2
A3
2
B4
2
A4
2
B5
2
A5
2
B6
2
A6
2
B7
2
A7
08-0291
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相关代理商/技术参数
PI74LPT16245AE 功能描述:总线收发器 16B Bidirectional Transceiver 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
PI74LPT16245AEX 功能描述:总线收发器 16B Bidirectional Transceiver 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
PI74LPT16245AV 功能描述:IC 16-BIT BIDIR TRANSCVR 48 SSOP RoHS:否 类别:集成电路 (IC) >> 逻辑 - 缓冲器，驱动器，接收器，收发器 系列:74LPT 标准包装:1,000 系列:74ABT 逻辑类型:寄存收发器，非反相 元件数:1 每个元件的位元数:8 输出电流高，低:32mA，64mA 电源电压:4.5 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR)
PI74LPT16245AVE 制造商:Pericom Semiconductor Corporation 功能描述:
PI74LPT16245CA 制造商:Pericom Semiconductor Corporation 功能描述:Bus XCVR Dual 16-CH 3-ST 48-Pin TSSOP Tube 制造商:Pericom Semiconductor Corporation 功能描述:LPT SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48
PI74LPT16245CAE 功能描述:总线收发器 16B Bidirectional Transceiver 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
PI74LPT16245CAEX 功能描述:总线收发器 16B Bidirectional Transceiver 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
PI74LPT16245V 制造商:Pericom Semiconductor Corporation 功能描述:Bus XCVR Dual 16-CH 3-ST 48-Pin SSOP Tube