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參數(shù)資料
| 型號： | MPC9446FA |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CLK BUFF DVDR MUX 2:10 32LQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 類型： | 扇出緩沖器（分配），除法器，多路復(fù)用器 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:10 |
| 差分 - 輸入:輸出： | 無/無 |
| 輸入： | LVCMOS |
| 輸出： | LVCMOS |
| 頻率 - 最大： | 250MHz |
| 電源電壓： | 2.375 V ~ 3.465 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-LQFP |
| 供應(yīng)商設(shè)備封裝： | 32-TQFP（7x7） |
| 包裝： | 托盤 |
| 其它名稱： | 800-2010 MPC9446FAIDT-ND |
MPC9446 REVISION 5 DECEMBER 21, 2012
5
2012 Integrated Device Technology, Inc.
MPC9446 Data Sheet
3.3V AND 2.5V LVCMOS CLOCK FANOUT BUFFER
Table 8. DC Characteristics (VCC = VCCA = VCCB = VCCC = 2.5 V ± 5%, TA = –40°C to +85°C)
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
VIH
Input High Voltage
1.7
VCC + 0.3
V
LVCMOS
VIL
Input Low Voltage
–0.3
0.7
V
LVCMOS
VOH
Output High Voltage
1.8
V
IOH = –15 mA(1)
1. The MPC9446 is capable of driving 50
transmission lines on the incident edge. Each output drives one 50 parallel terminated
transmission line to a termination voltage of VTT. Alternatively, the device drives up to two 50 series terminated transmission lines per
output.
VOL
Output Low Voltage
0.6
V
IOL = 15 mA
ZOUT
Output Impedance
17 – 20(2)
2. Input pull-up / pull-down resistors influence input current.
IIN
Input Current(2)
200
A
VIN = GND or VIN = VCC
ICCQ(3)
3. ICCQ is the DC current consumption of the device with all outputs open and the input in its default state or open.
Maximum Quiescent Supply Current
2.0
mA
All VCC Pins
Table 9. AC Characteristics (VCC = VCCA = VCCB = VCCC = 2.5 V ± 5%, TA = –40°C to +85°C)(1)
1. AC characteristics apply for parallel output termination of 50
to VTT.
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
fref
Input Frequency
0
250(2)
2. The MPC9446 is functional up to an input and output clock frequency of 350 MHz and is characterized up to 250 MHz.
MHz
fMAX
Maximum Output Frequency
1 output
2 output
0
250(2)
125
MHz
FSELx = 0
FSELx = 1
tP, REF
Reference Input Pulse Width
1.4
ns
tr, tf
CCLK Input Rise/Fall Time
1.0(3)
3. Violation of the 1.0 ns maximum input rise and fall time limit will affect the device propagation delay, device-to-device skew, reference input
pulse width, output duty cycle and maximum frequency specifications.
ns
0.7 to 1.7 V
tPLH
tPHL
Propagation Delay
CCLK0,1 to any Q
2.6
5.6
5.5
ns
tPLZ, HZ Output Disable Time
10
ns
tPZL, LZ Output Enable Time
10
ns
tsk(O)
Output-to-Output Skew
Within one bank
Any output bank, same output divider
Any output, Any output divider
150
200
350
ps
tsk(PP)
Device-to-Device Skew
3.0
ns
tSK(P)
DCQ
Output Pulse Skew(4)
Output Duty Cycle
1 or 2 output
4. Output pulse skew tSK(P) is the absolute difference of the propagation delay times: | tPLH – tPHL |. Output duty cycle is frequency
dependent: DCQ = (0.5 ± tSK(P) fOUT). For example at fOUT = 125 MHz the output duty cycle limit is 50% ± 2.5%.
45
50
200
55
ps
%
DCREF = 50%
tr, tf
Output Rise/Fall Time
0.1
1.0
ns
0.6 to 1.8 V
Table 10. AC Characteristics (VCC = 3.3 V + 5%, VCCA, VCCB, VCCC = 2.5 V + 5% or 3.3 V + 5%, TA = –40°C to +85°C)(1) (2)
1. AC characteristics apply for parallel output termination of 50
to VTT.
2. For all other AC specifications, refer to 2.5 V or 3.3 V tables according to the supply voltage of the output bank.
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
tsk(O)
Output-to-Output Skew
Within one bank
Any output bank, same output divider
Any output, Any output divider
150
250
350
ps
tsk(PP)
Device-to-Device Skew
2.5
ns
tPLH,HL Propagation Delay
CCLK0,1 to any Q
See 3.3 V Table
tSK(P)
DCQ
Output Pulse Skew(3)
Output Duty Cycle
1 or 2 output
3. Output pulse skew tSK(P) is the absolute difference of the propagation delay times: | tPLH – tPHL |. Output duty cycle is frequency
dependent: DCQ = (0.5 ± tSK(P) fOUT).
45
50
250
55
ps
%
DCREF = 50%
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPC9446FAR2 | 功能描述:時(shí)鐘驅(qū)動器及分配 FSL 1-10 LVCMOS Fanout Buffer 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 |
| MPC9447 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer |
| MPC9447AC | 功能描述:時(shí)鐘緩沖器 2.5 3.3V 250MHz Clock Generator RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| MPC9447ACR2 | 功能描述:時(shí)鐘緩沖器 FSL 1-9 LVCMOS Fanout Buffer RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| MPC9447D | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer |
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