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74ALVCH32245

更新时间: 2024-11-22 14:57:51
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瑞萨 - RENESAS /
页数 文件大小 规格书
8页 281K
描述
3.3V CMOS 32-Bit Bus Transceiver with 3-State Outputs and Bus-Hold

74ALVCH32245 数据手册

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3.3V CMOS 32-BIT  
IDT74ALVCH32245  
BUS TRANSCEIVER  
WITH 3-STATE OUTPUTS  
AND BUS-HOLD  
DESCRIPTION:  
FEATURES:  
This 32-bit bus transceiver is built using advanced dual metal CMOS  
technology. This high-speed, low power transceiver is ideal for asynchro-  
nous communication between two busses (A and B). The Direction and  
Output Enable controls are designed to operate the device as either four  
independent 8-bit transceivers or one 32-bit transceiver. The direction  
controlpins(DIR)controlthedirectionofdataflow. Theoutputenablepins  
(OE) override the direction control and disable both ports. All inputs are  
designed with hysteresis for improved noise margin.  
• 0.5 MICRON CMOS Technology  
• Typical tSK(o) (Output Skew) < 250ps  
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using  
machine model (C = 200pF, R = 0)  
• VCC = 3.3V ± 0.3V, Normal Range  
• VCC = 2.7V to 3.6V, Extended Range  
• VCC = 2.5V ± 0.2V  
• CMOS power levels (0.4μ W typ. static)  
• Rail-to-Rail output swing for increased noise margin  
• Available in 96-ball LFBGA package  
The ALVCH32245 has been designed with a ±24mA output driver. This  
driver is capable of driving a moderate to heavy load while maintaining  
speedperformance.  
The ALVCH32245 has “bus-hold” which retains the inputs’ last state  
whenever the input bus goes to a high impedance. This prevents floating  
inputs and eliminates the need for pull-up/down resistors.  
DRIVE FEATURES:  
• High Output Drivers: ±24mA  
• Suitable for Heavy Loads  
APPLICATIONS:  
• 3.3V high speed systems  
• 3.3V and lower voltage computing systems  
FUNCTIONALBLOCKDIAGRAM  
A3  
J3  
1DIR  
3DIR  
A4  
A2  
J4  
J2  
1
OE  
3
OE  
A5  
J5  
1A1  
3A1  
1B1  
3
B
1
TO SEVEN OTHER CHANNELS  
TO SEVEN OTHER CHANNELS  
H3  
E5  
T3  
N5  
2
DIR  
4DIR  
T4  
H4  
E2  
2
OE  
4
OE  
2A1  
4A1  
N2  
2
B
1
4B1  
TO SEVEN OTHER CHANNELS  
TO SEVEN OTHER CHANNELS  
IDTandtheIDTlogoareregisteredtrademarksofIntegratedDeviceTechnology,Inc.  
INDUSTRIAL TEMPERATURE RANGE  
JUNE 2016  
1
DSC-4907/7  

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