- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄379008 > CY29948AIT (CYPRESS SEMICONDUCTOR CORP) 2.5V or 3.3V, 200-MHz, 1:12 Clock Distribution Buffer PDF資料下載
參數(shù)資料
| 型號： | CY29948AIT |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | 時鐘及定時 |
| 英文描述： | 2.5V or 3.3V, 200-MHz, 1:12 Clock Distribution Buffer |
| 中文描述： | 29948 SERIES, LOW SKEW CLOCK DRIVER, 12 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封裝： | 7 X 7 MM, 1 MM HEIGHT, PLASTIC, TQFP-32 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 108K |
| 代理商： | CY29948AIT |
CY29948
Document #: 38-07288 Rev. *B
Page 4 of 7
Notes:
6.
7.
8.
9.
10. See
11.
Part-to-Part skew at a given temperature and voltage.
Parameters are guaranteed by design and characterization. Not 100% tested in production. All parameters specified with loaded outputs.
Outputs driving 50
transmission lines.
50% input duty cycle.
Figures
2 and 3
.
AC Parameters
[6]
:
V
DD
= V
DDC
= 3.3V ±10% or 2.5V ±5%, Over the specified operating range
Parameter
Fmax
Description
Conditions
Min.
Typ.
Max.
200
170
8.0
8.9
10.0
10.9
55
10
10
250
1.5
2.0
Unit
MHz
Input Frequency
[7]
V
DD
= 3.3V
V
DD
= 2.5V
V
DD
= 3.3V
Tpd
PECL_CLK to Q Delay
[7]
TCLK to Q Delay
[7]
PECL_CLK to Q Delay
[7]
TCLK to Q Delay
[7]
Output Duty Cycle
[7, 8, 9]
Output Enable Time (all outputs)
Output Disable Time (all outputs)
Output-to-Output Skew
[7, 9]
Part-to-Part Skew
[11]
4.0
4.4
6.0
6.4
45
2
2
ns
V
DD
= 2.5V
FoutDC
tpZL, tpZH
tpLZ, tpHZ
Tskew
Tskew(pp)
Measured at V
DD
/2
%
ns
ns
ps
ns
150
PECL_CLK to Q
TCLK to Q
SYNC_OE to PECL_CLK
SYNC_OE to TCLK
PECL_CLK to SYNC_OE
TCLK to SYNC_OE
0.8V to 2.0V, V
DD
= 3.3V
0.6V to 1.8V, V
DD
= 2.5V
Ts
Set-up Time
[7, 10]
1.0
0.0
0.0
1.0
0.20
0.20
ns
Th
Hold Time
[7, 10]
ns
Tr/Tf
Output Clocks Rise/Fall Time
[9]
1.0
1.3
ns
Pulse
Generator
Z = 50 ohm
Zo = 50 ohm
VTT
Zo = 50 ohm
VTT
R
T
= 50 ohm
R
T
= 50 ohm
CY29948 DUT
Figure 2. LVCMOS_CLK CY29948 Test Reference for V
CC
= 3.3V and V
CC
= 2.5V
Differential
Pulse
Generator
Z = 50 ohm
Zo = 50 ohm
Zo = 50 ohm
VTT
R
T
= 50 ohm
CY29948 DUT
Zo = 50 ohm
R
T
= 50 ohm
VTT
Figure 3. PECL_CLK CY29948 Test Reference for V
CC
= 3.3V and V
CC
= 2.5V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY29972 | 3.3V, 125-MHz Multi-Output Zero Delay Buffer |
| CY29972AI | 3.3V, 125-MHz Multi-Output Zero Delay Buffer |
| CY2CC1910OCT | 1:10 Clock Fanout Buffer with Output Enable |
| CY2CC1910OIT | 1:10 Clock Fanout Buffer with Output Enable |
| CY2CC1910OC | Hook-Up Wire; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Color:Purple; Approval Bodies:UL; Approval Categories:UL AWM Style 1213; Passes VW-1 Flame Test; Cable/Wire MIL SPEC:MIL-W-16878/4 Type E RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY29948AXC | 功能描述:時鐘驅(qū)動器及分配 2.5V or /3.3V 200MHz COM RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| CY29948AXCT | 功能描述:時鐘驅(qū)動器及分配 2.5V or /3.3V 200MHz COM RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| CY29948AXI | 功能描述:時鐘驅(qū)動器及分配 2.5V or /3.3V 200MHz IND RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| CY29948AXIT | 功能描述:時鐘驅(qū)動器及分配 2.5V or /3.3V 200MHz IND RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| CY29949 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:2.5V or 3.3V 200-MHz 1:15 Clock Distribution Buffer |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。