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74ALVCH162245PAG8

更新时间： 2024-11-19 01:23:51
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
7页 99K
描述
3.3V CMOS 16-BIT BUS TRANSCIEVER

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74ALVCH162245PAG8 数据手册

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3.3V CMOS 16-BIT BUS  
IDT74ALVCH162245  
TRANSCIEVER WITH  
3-STATE OUTPUTS  
AND BUS-HOLD  
FEATURES:  
DESCRIPTION:  
• 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  
This 16-bit bus transceiver is built using advanced dual metal CMOS  
technology. The ALVCH162245 is designed for asynchronous com-  
munication between data buses. The control-function implementation  
minimizes external timing requirements.  
This device can be used as two 8-bit transceivers or one 16-bit  
transceiver. It allows data transmission 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 that the buses are effectively isolated.  
The ALVCH162245 has series resistors in the device out-put struc-  
ture of the “A” port which will significantly reduce line noise when used  
with light loads. This driver has been designed to drive ±12mA at the  
designated threshold levels. The “B” port has a ±24mA driver.  
The ALVCH162245 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.  
• CMOS power levels (0.4μ W typ. static)  
• Rail-to-Rail output swing for increased noise margin  
• Available in TSSOP package  
DRIVE FEATURES:  
• Balanced Output Drivers: ±12mA (A port)  
• High Output Drivers: ±24mA (B port)  
APPLICATIONS:  
• 3.3V high speed systems  
• 3.3V and lower voltage computing systems  
FUNCTIONAL BLOCK DIAGRAM  
1
24  
1DIR  
2DIR  
48  
2
25  
13  
2
OE  
1
OE  
47  
46  
44  
43  
36  
35  
33  
32  
30  
1A1  
2A1  
1
B
1
2
B
1
1A2  
2A2  
3
14  
16  
17  
1
B
2
2
B
2
1
1
A
3
2
A
3
5
1B  
3
2B  
3
A
4
2A4  
6
1
B
4
2
B4  
41  
40  
38  
1A  
5
2A  
5
8
19  
20  
22  
1B  
5
2
B
5
29  
27  
1A6  
2A6  
9
1
B
B
6
2
2
B
6
1A7  
2A7  
11  
1
7
B
7
37  
26  
1A8  
2A8  
12  
23  
1
B8  
2B8  
IDTandtheIDTlogoareregisteredtrademarksofIntegratedDeviceTechnology,Inc.  
INDUSTRIAL TEMPERATURE RANGE  
AUGUST 2016  
1
© 2016 Integrated Device Technology, Inc.  
DSC-4748/6  
1234567

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74ALVCH162245PAG8 替代型号

型号 品牌 替代类型 描述 数据表
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