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SSTU32866EC/G,551 PDF预览

SSTU32866EC/G,551

更新时间: 2024-11-05 19:54:23
品牌 Logo 应用领域
恩智浦 - NXP 双倍数据速率逻辑集成电路触发器
页数 文件大小 规格书
29页 155K
描述
SSTU32866 - 1.8 V 25-bit 1:1 or 14-bit 1:2 configurable registered buffer with parity for DDR2 RDIMM applications BGA 96-Pin

SSTU32866EC/G,551 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:BGA包装说明:13.50 X 5.50 MM, 1.05 MM HEIGHT, 0.80 MM PITCH, LEAD FREE, PLASTIC, SOT-536-1, LFBGA-96
针数:96Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.26
其他特性:14 BIT 1:2 CONFIGURATION ALSO POSSIBLE系列:SSTU
JESD-30 代码:R-PBGA-B96长度:13.5 mm
逻辑集成电路类型:D FLIP-FLOP湿度敏感等级:2
位数:25功能数量:1
端子数量:96最高工作温度:70 °C
最低工作温度:输出特性:OPEN-DRAIN
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:LFBGA封装形状:RECTANGULAR
封装形式:GRID ARRAY, LOW PROFILE, FINE PITCH峰值回流温度(摄氏度):260
传播延迟(tpd):1.8 ns认证状态:Not Qualified
座面最大高度:1.5 mm最大供电电压 (Vsup):1.9 V
最小供电电压 (Vsup):1.7 V标称供电电压 (Vsup):1.8 V
表面贴装:YES温度等级:COMMERCIAL
端子形式:BALL端子节距:0.8 mm
端子位置:BOTTOM处于峰值回流温度下的最长时间:30
触发器类型:POSITIVE EDGE宽度:5.5 mm
最小 fmax:450 MHzBase Number Matches:1

SSTU32866EC/G,551 数据手册

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SSTU32866  
1.8 V 25-bit 1:1 or 14-bit 1:2 configurable registered buffer  
with parity for DDR2 RDIMM applications  
Rev. 02 — 11 November 2004  
Product data sheet  
1. General description  
The SSTU32866 is a 1.8 V configurable register specifically designed for use on DDR2  
memory modules requiring a parity checking function. It is defined in accordance with the  
JEDEC JESD82-7 standard for the SSTU32864 registered buffer, while adding the parity  
checking function in a compatible pinout. The JEDEC standard for SSTU32866 is pending  
publication. The register is configurable (using configuration pins C0 and C1) to two  
topologies: 25-bit 1:1 or 14-bit 1:2, and in the latter configuration can be designated as  
Register A or Register B on the DIMM.  
The SSTU32866 accepts a parity bit from the memory controller on its parity bit (PAR_IN)  
input, compares it with the data received on the DIMM-independent D-inputs and  
indicates whether a parity error has occurred on its open-drain QERR pin (active-LOW).  
The convention is even parity, that is, valid parity is defined as an even number of ones  
across the DIMM-independent data inputs combined with the parity input bit.  
The SSTU32866 is packaged in a 96-ball, 6 × 16 grid, 0.8 mm ball pitch LFBGA package  
(13.5 mm by 5.5 mm).  
2. Features  
Configurable register supporting DDR2 Registered DIMM applications  
Configurable to 25-bit 1:1 mode or 14-bit 1:2 mode  
Controlled output impedance drivers enable optimal signal integrity and speed  
Exceeds JESD82-7 speed performance (1.8 ns max. single-bit switching propagation  
delay; 2.0 ns max. mass-switching)  
Supports up to 450 MHz clock frequency of operation  
Optimized pinout for high-density DDR2 module design  
Chip-selects minimize power consumption by gating data outputs from changing state  
Supports SSTL_18 data inputs  
Checks parity on the DIMM-independent data inputs  
Partial parity output and input allows cascading of two SSTU32866s for correct parity  
error processing  
Differential clock (CK and CK) inputs  
Supports LVCMOS switching levels on the control and RESET inputs  
Single 1.8 V supply operation  
Available in 96-ball, 13.5 × 5.5 mm, 0.8 mm ball pitch LFBGA package  
 
 

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