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PI74AVC16834KEX

更新时间： 2024-11-05 13:12:19
品牌 Logo 应用领域
百利通 - PERICOM 总线驱动器
页数 文件大小 规格书
9页 373K
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PI74AVC16834KEX 数据手册

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PI74AVC16834  
18-Bit Universal Bus Driver  
with 3-State Outputs  
Product Features  
Product Description  
• Very high-speed, low-noise universal bus driver with  
embedded resistor outputs  
Pericom Semiconductor’s PI74AVC series of logic circuits  
are produced using the Company’s advanced 0.35 micron CMOS  
technology, achieving industry leading speed.  
• Meets PC133 SDRAM Registered DIMM specification  
The 18-bit PI74AVC16834 universal bus driver is designed for  
1.8V to 3.6V VCC operation.  
• Implements output impedance control for low-noise and  
heavy-load applications  
• Fast Propagation Delay:  
2.5ns max. for 50pF test load  
Data flow from A to Y is controlled by Output Enable (OE). The  
device operates in the transparent mode when LE is LOW. The A  
data is latched if CLK is held at a high or low logic level. If LE is  
HIGH, the A-bus is stored in the latch/flip-flop on the low-to-high  
transition of CLK. When OE is HIGH, the outputs are in the high-  
impedance state.  
• VCC = 3.3V or 2.5V or 1.8V  
• Packages available:  
–56-pin240milwideplasticTSSOP(A)  
–56-pin173milwideplasticTVSOP(K)  
The PI74AVC16834 bus driver is designed to drive an array of  
133 MHz synchronous memory chips, with minimal undershoot/  
overshoot noise, and to meet the input signal rise/fall time  
requirement of memory chips.  
Product Pin Configuration  
NC  
NC  
1
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
GND  
NC  
The output drivers of this part have an embedded series-resistor.  
For DIMM module design, no external series termination resistors  
near the buffer drivers or any other termination resistors are  
required. This feature simplifies DIMM module layout design, and  
results in cost savings.  
2
3
A1  
Y1  
4
GND  
A2  
GND  
5
Y2  
Y3  
6
A3  
V
CC  
Y4  
7
V
CC  
A4  
8
Y5  
Y6  
9
A5  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
A6  
GND  
Y7  
GND  
A7  
56-Pin  
A56  
K56  
Y8  
A8  
Y9  
A9  
Y10  
Y11  
Y12  
GND  
Y13  
Y14  
Y15  
A10  
A11  
A12  
GND  
A13  
A14  
A15  
V
CC  
V
CC  
A16  
A17  
Y16  
Y17  
GND  
Y18  
OE  
GND  
A18  
CLK  
LE 28  
GND  
PS8378B  
08/09/99  
1
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PI74AVC16835 PERICOM

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 		18-Bit Universal Bus Driver with 3-State Outputs
PI74AVC16835A ETC

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PI74AVC16835AE PERICOM

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 		Bus Driver, AVC Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.240 INCH, GREEN, PLAS
PI74AVC16835AEX PERICOM

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 		Bus Driver, AVC Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.240 INCH, GREEN, PLAS
PI74AVC16835AX PERICOM

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 		Bus Driver, AVC Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, MO
PI74AVC16835K PERICOM

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 		18-Bit Universal Bus Driver with 3-State Outputs
PI74AVC16835KE PERICOM

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 		Bus Driver, AVC Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.173 INCH, GREEN, PLAS
PI74AVC16835KEX PERICOM

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 		Bus Driver, AVC Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.173 INCH, GREEN, PLAS
PI74AVC16835KX PERICOM

获取价格

 		Bus Driver, AVC Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLASTIC, TV

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