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參數(shù)資料
| 型號： | IDT74SSTU32864GBFG |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 0K |
| 描述： | IC BUFFER 1:1/1:2 96-LFBGA |
| 標(biāo)準(zhǔn)包裝： | 270 |
| 邏輯類型： | 1:2 可配置寄存緩沖器 |
| 電源電壓： | 1.7 V ~ 1.9 V |
| 位數(shù)： | 25，14 |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 96-LFBGA |
| 供應(yīng)商設(shè)備封裝： | 96-CABGA（13.5x5.5） |
| 包裝： | 托盤 |
| 其它名稱： | 74SSTU32864GBFG |
1
COMMERCIALTEMPERATURERANGE
IDT74SSTU32864/A/C/D/G
1:1 AND 1:2 REGISTERED BUFFER WITH 1.8V SSTL I/O
APRIL 2006
2006 Integrated Device Technology, Inc.
DSC-5980/27
c
IDT74SSTU32864/
A/C/D/G
COMMERCIAL TEMPERATURE RANGE
1:1 AND 1:2 REGISTERED
BUFFER WITH 1.8V SSTL I/O
DESCRIPTION:
The SSTU32864 is a 25-bit 1:1 / 14-bit 1:2 configurable registered buffer
designed for 1.7V to 1.9V VDD operation. All clock and data inputs are
compatible with the JEDEC standard for SSTL_18. The control inputs are
LVCMOS. All outputs are 1.8V CMOS drivers that have been optimized
to drive the DDR2 DIMM load.
The SSTU32864 operates from a differential clock (CLK and CLK). Data
are registered at the crossing of CLK going high and CLK going low.
The C0 input controls the pinout configuration of the 1:2 pinout from the
A configuration (when low) to B configuration (when high). The C1 input
controls the configuration from the 25-bit 1:1 (when low) to 14-bit 1:2 (when
high).
Thisdevicesupportslow-powerstandbyoperation. Whentheresetinput
(RESET) is low, the differential input receivers are disabled, and undriven
(floating) data, clock, and reference voltage (VREF) inputs are allowed. In
addition, when RESET is low all registers are reset, and all outputs are
forced low. The LVCMOS RESET and Cx inputs must always be held at
a valid logic high or low level.
To ensure defined outputs from the register before a stable clock has
been supplied, RESET must be held in the low state during power up.
In the DDR2 DIMM application, RESET is specified to be completely
asynchronous with respect to CLK and CLK. Therefore, no timing
relationship can be guaranteed between the two. When entering reset, the
register will be cleared and the outputs will be driven low quickly, relative
tothetimetodisablethedifferentialinputreceivers. However,whencoming
out of a reset, the register will become active quickly, relative to the time to
enable the differential input receivers. As long as the data inputs are low,
and the clock is stable during the time from the low-to-high transition of
RESET until the input receivers are fully enabled, the design of the
SSTU32864 must ensure that the outputs will remain low, thus ensuring no
glitches on the outputs.
The device monitors both DCS and CSR inputs and will gate the outputs
from changing states when both DCS and CSR inputs are high. If either
DCS or CSR input is low, the device will function normally. The RESET
input has priority over the DCS control and will force the inputs low. If the
DCS control functionality is not desired, then the CSR input can be hard-
wired to ground, in which case the set-up time requirement for DCS would
be the same as for the other D data inputs.
The SSTU32864G has two slew control pins (ZOH and ZOL) used to
optimize the signal integrity on the DIMM.
APPLICATIONS:
Ideally suited for DDR2-400/533 (PC2 - 3200/ 4200) registered
DIMM applications
Along with CSPU877/A/D, zero delay PLL clock buffer, provides
complete solution for DDR2-400/533 DIMMs
SSTU32864 is optimized for DDR2 Raw cards B and C
SSTU32864A is optimized for DDR2 Raw card A
SSTU32864C/D/G are optimized for DDR2 Raw cards A, B, and C
SSTU32864G has control pins for output slew rate control
FEATURES:
1:1 and 1:2 registered buffer
1.8V Operation
SSTL_18 style clock and data inputs
Differential CLK input
Control inputs compatible with LVCMOS levels
Flow-through architecture for optimum PCB design
Latch-up performance exceeds 100mA
ESD >2000V per MIL-STD-883, Method 3015; >200V using
machine model (C = 200pF, R = 0)
Maximum operating frequency: 340MHz
Available in 96-pin LFBGA package
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
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| IDT74SSTU32864GBFG8 | 功能描述:IC BUFFER 1:1/1:2 96-LFBGA RoHS:是 類別:集成電路 (IC) >> 邏輯 - 專用邏輯 系列:- 產(chǎn)品變化通告:Product Discontinuation 25/Apr/2012 標(biāo)準(zhǔn)包裝:1,500 系列:74SSTV 邏輯類型:DDR 的寄存緩沖器 電源電壓:2.3 V ~ 2.7 V 位數(shù):14 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:48-TFSOP（0.240"，6.10mm 寬） 供應(yīng)商設(shè)備封裝:48-TSSOP 包裝:帶卷 (TR) |
| IDT74SSTU32865BKG | 功能描述:IC BUFFER 28BIT 1:2 REG 160TFBGA RoHS:是 類別:集成電路 (IC) >> 邏輯 - 專用邏輯 系列:- 產(chǎn)品變化通告:Product Discontinuation 25/Apr/2012 標(biāo)準(zhǔn)包裝:1,500 系列:74SSTV 邏輯類型:DDR 的寄存緩沖器 電源電壓:2.3 V ~ 2.7 V 位數(shù):14 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:48-TFSOP（0.240"，6.10mm 寬） 供應(yīng)商設(shè)備封裝:48-TSSOP 包裝:帶卷 (TR) |
| IDT74SSTU32865BKG8 | 功能描述:IC BUFFER 28BIT 1:2 REG 160TFBGA RoHS:是 類別:集成電路 (IC) >> 邏輯 - 專用邏輯 系列:- 產(chǎn)品變化通告:Product Discontinuation 25/Apr/2012 標(biāo)準(zhǔn)包裝:1,500 系列:74SSTV 邏輯類型:DDR 的寄存緩沖器 電源電壓:2.3 V ~ 2.7 V 位數(shù):14 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:48-TFSOP（0.240"，6.10mm 寬） 供應(yīng)商設(shè)備封裝:48-TSSOP 包裝:帶卷 (TR) |
| IDT74SSTU32866BBFG | 功能描述:IC BUFFER 1.8V CONFIG 96-BGA RoHS:是 類別:集成電路 (IC) >> 邏輯 - 專用邏輯 系列:- 產(chǎn)品變化通告:Product Discontinuation 25/Apr/2012 標(biāo)準(zhǔn)包裝:1,500 系列:74SSTV 邏輯類型:DDR 的寄存緩沖器 電源電壓:2.3 V ~ 2.7 V 位數(shù):14 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:48-TFSOP（0.240"，6.10mm 寬） 供應(yīng)商設(shè)備封裝:48-TSSOP 包裝:帶卷 (TR) |
| IDT74SSTU32866BBFG8 | 功能描述:IC BUFFER 1.8V CONFIG 96-BGA RoHS:是 類別:集成電路 (IC) >> 邏輯 - 專用邏輯 系列:- 產(chǎn)品變化通告:Product Discontinuation 25/Apr/2012 標(biāo)準(zhǔn)包裝:1,500 系列:74SSTV 邏輯類型:DDR 的寄存緩沖器 電源電壓:2.3 V ~ 2.7 V 位數(shù):14 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:48-TFSOP（0.240"，6.10mm 寬） 供應(yīng)商設(shè)備封裝:48-TSSOP 包裝:帶卷 (TR) |
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