参数资料
型号: PI6C180BV
厂商: Pericom Semiconductor Corp.
英文描述: Precision 1-18 Clock Buffer
中文描述: 精密1-18时钟缓冲器
文件页数: 1/7页
文件大小: 573K
代理商: PI6C180BV
1
PS8468 05/03/00
Product Features
High-speed, to 140 MHz
Low-noise non-inverting 1-18 buffer
Supports up to four SDRAM DIMMs
Low skew (< 250ps) between any two output clocks
I
2
C Serial Configuration interface
Multiple V
DD
, V
SS
pins for noise reduction
3.3V power supply voltage
Separate Hi-Z pin for testing
48-pin SSOP package (V)
Logic Block Diagram
Description
The PI6C180B, a high-speed low-noise 1-18 noninverting buffer
designed for 140 MHz SDRAM clock buffer applications.
At power up all SDRAM output are enabled and active. The I
2
C
Serial control may be used to individually activate/deactivate any
of the 18 output drivers.
The output enable (OE) pin may be pulled low to put all outputs in a
Hi-Z state.
Note:
Purchase of I
2
C components from Pericom conveys a license to
use them in an I
2
C system as defined by Philips.
SDRAM17
SDRAM2
SDRAM1
SDRAM0
BUF_IN
OE
SDATA
SCLOCK
SDRAM3
I2C
I/O
Product Pin Configuration
12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012
12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012
12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012
NC
1
NC
2
V
DD0
3
SDRAM0
4
SDRAM1
5
V
SS0
6
V
DD1
7
SDRAM2
8
SDRAM3
9
V
SS1
10
BUF_IN
11
V
DD2
12
SDRAM4
13
SDRAM5
14
V
SS2
15
V
DD3
16
SDRAM6
17
SDRAM7
18
V
SS3
19
V
DD4
20
SDRAM16
21
V
SS4
22
V
DDIIC
23
SDATA
24
NC
NC
V
DD9
SDRAM15
SDRAM14
V
SS9
V
DD8
SDRAM13
SDRAM12
48
V
SS8
47
OE
46
V
DD7
45
SDRAM11
44
SDRAM10
43
V
SS7
42
V
DD6
41
SDRAM9
40
SDRAM8
39
V
SS6
38
V
DD5
37
SDRAM17
36
V
SS5
35
V
SS
IIC
34
SCLOCK
33
32
31
30
29
28
27
26
25
48-Pin
V
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相关代理商/技术参数
参数描述
PI6C180BVE 功能描述:时钟缓冲器 Precision 1 18 时钟缓冲器 RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟(最大值): 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel
PI6C180BVEX 功能描述:时钟缓冲器 Precision 1 18 时钟缓冲器 RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟(最大值): 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel
PI6C180V 制造商:Pericom Semiconductor Corporation 功能描述:Clock Fanout Buffer 18-OUT 48-Pin SSOP Tube 制造商:Pericom Semiconductor Corporation 功能描述:EIGHTEEN DISTRIBUTED-OUTPUT CLOCK DRIVER, 48 Pin, Plastic, SSOP
PI6C180VE 功能描述:时钟缓冲器 Precision 1 18 时钟缓冲器 RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟(最大值): 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel
PI6C180VEX 功能描述:时钟缓冲器 Precision 1 18 时钟缓冲器 RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟(最大值): 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel