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參數資料
| 型號： | MPC941AE |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | 941 SERIES, LOW SKEW CLOCK DRIVER, 27 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
| 封裝： | 7 X 7 MM, PLASTIC, LEAD FREE, LQFP-48 |
| 文件頁數： | 7/12頁 |
| 文件大小： | 690K |
| 代理商： | MPC941AE |
MPC941
LOW VOLTAGE, 1:27 CLOCK DISTRIBUTION CHIP
IDT / ICS CLOCK DISTRIBUTION CHIP
4
MPC941 REV. 8 APRIL 29, 2008
Table 4. AC Characteristics (VCC = 3.3 V ± 5%, TA = –40 to +85°C)(1)
1. AC characteristics apply for parallel output termination of 50
to VTT.
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
fMAX
Maximum Output Frequency
0
250(2)
2. AC characteristics are guaranteed up to fmax. Please refer to applications section for information on power consumption versus operating
frequency and thermal management.
MHz
tr, tf
LVCMOS_CLK Input Rise/Fall Time
1.0(3)
3. Fast input signal transition times are required to maintain part-to-part skew specification. If part-to-part skew is not critical to the application,
signal transition times smaller than 3 ns can be applied to the MPC941.
ns
0.8 to 2.0 V
tPLH
tPHL
Propagation Delay
PECL_CLK to any Q
LVCMOS_CLK to any Q
1.2
0.9
1.8
1.5
2.6
2.3
ns
tPLZ, HZ
Output Disable Time
ns
tPZL, LZ
Output Enable Time
ns
tsk(O)
Output-to-Output Skew
PECL_CLK to any Q
LVCMOS_CLK to any Q
125
250
ps
tsk(PP)
Device-to-Device Skew
PECL_CLK to any Q
LVCMOS_CLK to any Q
1000
ps
For a given TA and
VCC, any Q
tsk(PP)
Device-to-Device Skew
PECL_CLK to any Q
LVCMOS_CLK to any Q
1400
ps
For any TA, VCC
and Q
DCQ
Output Duty Cycle
PECL_CLK to any Q
LVCMOS_CLK to any Q
45
50
60
55
%
DCREF = 50%
tr, tf
Output Rise/Fall Time
0.2
1.0
ns
0.55 to 2.4 V
Table 5. DC Characteristics (VCC = 2.5 V ± 5%, TA = –40 to +85°C)
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
VIH
Input High Voltage
LVCMOS_CLK
1.7
VCC + 0.3
V
LVCMOS
VIL
Input Low Voltage
LVCMOS_CLK
–0.3
0.7
V
LVCMOS
IIN
Input Current
±120(1)
1. Input pull-up / pull-down resistors influence input current.
A
VPP
Peak-to-Peak Input Voltage
PECL_CLK,
PECL_CLK
500
mV
LVPECL
VCMR
Common Mode Range
PECL_CLK,
PECL_CLK
1.1
VCC – 0.7
V
LVPECL
VOH
Output High Voltage
1.8
V
IOH = –15 mA(2)
2. The MPC941 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.
VOL
Output Low Voltage
0.6
V
IOL = 15 mA(2)
IOZ
Output Tristate Leakage Current
100
A
ZOUT
Output Impedance
18 – 20
CPD
Power Dissipation Capacitance
7 – 8
10
pF
Per Output
CIN
Input Capacitance
4.0
pF
ICCQ
Maximum Quiescent Supply Current
5
mA
All VCC Pins
VTT
Output Termination Voltage
VCC ÷ 2
V
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| MPC941AER2 | 功能描述:時鐘驅動器及分配 FSL 1-27 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 |
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| MPC941FAR2 | 制造商:Integrated Device Technology Inc 功能描述:Clock Driver 2-IN LVCMOS 48-Pin LQFP T/R 制造商:Integrated Device Technology Inc 功能描述:CLOCK DRVR 2-IN LVCMOS 48LQFP - Tape and Reel |
| MPC942C | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LOW VOLTAGE 1:18 CLOCK DISTRIBUTION CHIP |
| MPC942CAC | 功能描述:時鐘驅動器及分配 FSL 1-27 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 |
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