参数资料
| 型号： | PI74AVC16834KE |
| 厂商： | Pericom |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC UNIV BUS DVR 18BIT 56TVSOP |
| 产品变化通告： | Product Discontinuation Notice 03/Oct/2008 |
| 标准包装： | 43 |
| 系列： | 74AVC |
| 逻辑类型： | 通用总线驱动器 |
| 电路数： | 18 位 |
| 输出电流高，低： | 12mA，12mA |
| 电源电压： | 1.65 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 56-TFSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 56-TVSOP |
| 包装： | 管件 |
1
PS8375H 10/27/09
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Product Features
Very high-speed, low-noise universal bus driver with
embedded resistor outputs
Meets PC133 SDRAM Registered DIMM specification
Implements output impedance control for low-noise and
heavy-load applications
Fast Propagation Delay:
2.5ns max. for 50pF test load
VCC = 3.3V or 2.5V or 1.8V
Packaging (Pb-free & Green available):
– 56-pin 240 mil wide plastic TSSOP (A)
PI74AVC16834
18-Bit Universal Bus Driver
with 3-State Outputs
ProductPinConfiguration
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
25
26
27
28
32
31
30
29
OE
CLK
Y18
A18
GND
Y17
A17
Y16
A16
VCC
Y15
A15
Y14
A14
Y13
A13
GND
Y12
A12
Y11
A11
Y10
A10
Y9
A9
Y8
A8
Y7
A7
GND
Y6
A6
Y5
A5
Y4
A4
VCC
Y3
A3
Y2
A2
Y1
A1
GND
NC
GND
LE
GND
Product Description
The 18-bit PI74AVC16834 universal bus driver is designed for 1.8V
to 3.6V VCC operation.
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.
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.
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.
09-0003
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PI74AVC16834KEX | 功能描述:总线收发器 18B Universal Bus Driver 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 |
| PI74AVC16835 | 制造商:PERICOM 制造商全称:Pericom Semiconductor Corporation 功能描述:18-Bit Universal Bus Driver with 3-State Outputs |
| PI74AVC16835A | 功能描述:IC UNIV BUS DVR 18BIT 56TSSOP RoHS:否 类别:集成电路 (IC) >> 逻辑 - 通用总线函数 系列:74AVC 产品变化通告:Product Discontinuation 09/Dec/2010 标准包装:1,500 系列:74AVC 逻辑类型:通用总线驱动器 输入数:- 电路数:18 位 输出电流高，低:12mA，12mA 电源电压:1.65 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:56-TFSOP（0.240"，6.10mm 宽） 供应商设备封装:56-TSSOP 包装:带卷 (TR) |
| PI74AVC16835AE | 功能描述:总线收发器 18B Universal Bus Driver 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 |
| PI74AVC16835AEX | 功能描述:总线收发器 18B Universal Bus Driver 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 |
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