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93725AF-T PDF预览

93725AF-T

更新时间: 2024-11-21 21:02:35
品牌 Logo 应用领域
艾迪悌 - IDT 驱动动态存储器光电二极管逻辑集成电路
页数 文件大小 规格书
8页 94K
描述
Low Skew Clock Driver, 93725 Series, 6 True Output(s), 0 Inverted Output(s), PDSO48, 0.300 INCH, MO-118, SSOP-48

93725AF-T 技术参数

生命周期:Obsolete零件包装代码:SSOP
包装说明:SSOP,针数:48
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.77其他特性:IT ALSO REQUIRES 3.3V FOR SDRAM CLOCK
系列:93725输入调节:STANDARD
JESD-30 代码:R-PDSO-G48长度:15.875 mm
逻辑集成电路类型:LOW SKEW CLOCK DRIVER功能数量:1
反相输出次数:端子数量:48
实输出次数:6最高工作温度:85 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH认证状态:Not Qualified
Same Edge Skew-Max(tskwd):0.1 ns座面最大高度:2.8 mm
最大供电电压 (Vsup):2.7 V最小供电电压 (Vsup):2.3 V
标称供电电压 (Vsup):2.5 V表面贴装:YES
温度等级:OTHER端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
宽度:7.5 mmBase Number Matches:1

93725AF-T 数据手册

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ICS93725  
Integrated  
Circuit  
Systems, Inc.  
DDR and SDRAM Zero Delay Buffer  
RecommendedApplication:  
DDR & SDRAM Zero Delay Buffer for SIS 635/640/645/  
650 & 735/740/746 style chipsets.  
Pin Configuration  
VDD3.3  
SDRAM0  
SDRAM1  
SDRAM2  
SDRAM3  
GND  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
SEL_DDR*  
DDRFB_IN  
DDRFB_OUT  
VDD2.5  
DDRT5  
DDRC5  
DDRT4  
DDRC4  
GND  
VDD2.5  
DDRT3  
DDRC3  
DDRT2  
DDRC2  
GND  
VDD2.5  
DDRT1  
DDRC1  
DDRT0  
DDRC0  
GND  
VDD2.5  
SCLK  
SDATA  
ProductDescription/Features:  
Low skew, Zero Delay Buffer  
1 to 13 SDRAM PC133 clock distribution  
VDD3.3  
SDRAM4  
SDRAM5  
BUFFER_IN  
SDRAM6  
SDRAM7  
GND  
1 to 6 pairs of DDR clock distribution  
I2C for functional and output control  
Separate feedback path for both memory mode to  
adjust synchronization.  
VDD3.3  
Supports up to 2 DDR DIMMs or 3 SDRAM DIMMs  
Frequency support for up to 200MHz (DDR 400)  
Individual I2C clock stop for power mananagement  
CMOS level control signal input  
SDRAM8  
SDRAM9  
SDRAM10  
SDRAM11  
GND  
VDD3.3  
SDRAM12  
SDFB_OUT  
SDFB_IN  
GND  
SwitchingCharacteristics:  
OUTPUT - OUTPUT skew: <100ps  
Output Rise and Fall Time for DDR outputs: 550ps -  
1150ps  
48-Pin SSOP  
DUTY CYCLE: 47% - 53%  
*Internal Pull-up Resistor of 120K to VDD  
Block Diagram  
Functionality  
VDD  
3.3_2.5  
MODE  
PIN 48  
SDRAMFB_OUT  
DDRFB_OUT  
BUFFER_IN  
SDRAMFB_IN  
DDRFB_IN  
PLL1  
DDR  
Mode  
SEL_DDR=1  
SEL_DDR=0  
2.5V  
SDRAM (12:0)  
DDR/SD  
Mode  
3.3V  
Control  
Logic  
DDRT (5:0)  
DDRCC (5:0)  
SEL_DDR*  
SDATA  
3
3
SCLK  
Config.  
Reg.  
0606A—08/01/03  

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