- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄363874 > W256 (CYPRESS SEMICONDUCTOR CORP) 12 Output Buffer for 2 DDR and 3 SRAM DIMMS PDF資料下載
參數(shù)資料
| 型號(hào)： | W256 |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | 時(shí)鐘及定時(shí) |
| 英文描述： | 12 Output Buffer for 2 DDR and 3 SRAM DIMMS |
| 中文描述： | LOW SKEW CLOCK DRIVER, 6 TRUE OUTPUT(S), 6 INVERTED OUTPUT(S), PDSO28 |
| 封裝： | 0.209 INCH, SSOP-28 |
| 文件頁數(shù)： | 5/9頁 |
| 文件大?。?/td> | 176K |
| 代理商： | W256 |
W256
Document #: 38-07256 Rev. *C
Page 5 of 9
Switching Characteristics
[4]
Parameter
–
–
Name
Test Conditions
Min.
66
IN
DC
–5%
1.0
1.0
0.5
Typ.
Max.
180
IN
DC
+5%
Unit
MHz
%
Operating Frequency
Duty Cycle
[4,5]
= t
2
÷
t
1
Measured at 1.4V for 3.3V outputs
Measured at VDD/2 for 2.5V outputs.
Measured between 0.4V and 2.4V
Measured between 2.4V and 0.4V
Measured between 20% to 80% of
output (Refer to
Figure 1
)
Measured between 20% to 80% of
output (Refer to
Figure 1
)
All outputs equally loaded
All outputs equally loaded
t
3
t
4
t
3d
SDRAM Rising Edge Rate
[4]
SDRAM Falling Edge Rate
[4]
DDR Rising Edge Rate
[4]
2.50
2.50
1.50
V/ns
V/ns
V/ns
t
4d
DDR Falling Edge Rate
[4]
0.5
1.50
V/ns
t
5
t
6
Output to Output Skew
[4]
Output t4o Output Skew for
SDRAM
[2]
SDRAM Buffer HH Prop. Delay
[4]
SDRAM Buffer LLProp. Delay
[4]
100
150
ps
ps
t
7
t
8
Input edge greater than 1 V/ns
Input edge greater than 1 V/ns
5
5
10
10
ns
ns
Switching Waveforms
Notes:
4. All parameters specified with loaded outputs.
5. Duty cycle of input clock is 50%. Rising and falling edge rate is greater than 1V/ns.
Duty Cycle Timing
t
1
t
2
All Outputs Rise/Fall Time
OUTPUT
t
3
3.3V
0V
0.4V
2.4V
2.4V
0.4V
t
4
Output-Output Skew
t
5
OUTPUT
OUTPUT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W256H | 12 Output Buffer for 2 DDR and 3 SRAM DIMMS |
| W256HT | 12 Output Buffer for 2 DDR and 3 SRAM DIMMS |
| W25P010A | 32K×32 Burst Pipeline High-Speed CMOS Static RAM(32K×32位同步脈沖式管高速CMOS靜態(tài)RAM) |
| W25P012A | 32K×32 Burst Pipeline High-Speed CMOS Static RAM(32K×32位同步脈沖管線高速CMOS靜態(tài)RAM) |
| W25P022A | 64K×32 Burst Pipeline High-Speed CMOS Static RAM(64K×32位同步脈沖管線高速CMOS靜態(tài)RAM) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W2563 | 制造商:Intel 功能描述:MBRD, DELL LA PAZ |
| W2563APCC | 制造商:Intel 功能描述:MBRD, DELL LA PAZ |
| W256E13 | 制造商:OMRON INDUSTRIAL AUTOMATION 功能描述:CV500 Supp. Software Op Manual DX CODE ZA |
| W256H | 功能描述:IC CLK BUFFER 1:12 180MHZ 28SSOP RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘緩沖器，驅(qū)動(dòng)器 系列:- 產(chǎn)品培訓(xùn)模塊:High Bandwidth Product Overview 標(biāo)準(zhǔn)包裝:1,000 系列:Precision Edge® 類型:扇出緩沖器（分配） 電路數(shù):1 比率 - 輸入:輸出:1:4 差分 - 輸入:輸出:是/是 輸入:CML，LVDS，LVPECL 輸出:CML 頻率 - 最大:2.5GHz 電源電壓:2.375 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VFQFN 裸露焊盤，16-MLF? 供應(yīng)商設(shè)備封裝:16-MLF?（3x3） 包裝:帶卷 (TR) |
| W256HT | 制造商:Cypress Semiconductor 功能描述: |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。