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参数资料
| 型号： | MPC961PAC |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 13/13页 |
| 文件大小： | 0K |
| 描述： | IC BUFFER ZD 1:18 PLL 32-LQFP |
| 标准包装： | 250 |
| 类型： | 零延迟缓冲器 |
| PLL： | 是 |
| 输入： | LVPECL |
| 输出： | LVCMOS |
| 电路数： | 1 |
| 比率 - 输入:输出： | 1:17 |
| 差分 - 输入:输出： | 是/无 |
| 频率 - 最大： | 200MHz |
| 除法器/乘法器： | 无/无 |
| 电源电压： | 2.375 V ~ 3.465 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-LQFP |
| 供应商设备封装： | 32-TQFP（7x7） |
| 包装： | 托盘 |
MPC961P REVISION 5 JANUARY 8, 2013
9
2013 Integrated Device Technology, Inc.
MPC961P Data Sheet
LOW VOLTAGE ZERO DELAY BUFFER
Where Rthja is the thermal impedance of the package
(junction to ambient) and TA is the ambient temperature.
According to Table 9, the junction temperature can be used
to estimate the long-term device reliability. Further, combining
equation 1 and equation 2 results in a maximum operating
frequency for the MPC961P in a series terminated
transmission line system.
TJ,MAX should be selected according to the MTBF system
using 2S2P boards will result in a lower thermal impedance
than indicated below.
If the calculated maximum frequency is below 200 MHz, it
becomes the upper clock speed limit for the given application
conditions. The following two derating charts describe the
safe frequency operation range for the MPC961P. The charts
were calculated for a maximum tolerable die junction
temperature of 110
C, corresponding to an estimated MTBF
of 9.1 years, a supply voltage of 3.3 V and series terminated
transmission line or capacitive loading. Depending on a given
set of these operating conditions and the available device
convection a decision on the maximum operating frequency
can be made. There are no operating frequency limitations if
a 2.5 V power supply or the system specifications allow for a
MTBF of 4 years (corresponding to a max. junction
temperature of 120
C.
Table 10. Thermal Package Impedance of the 32ld LQFP
Convection, LFPM
Rthja (1P2S board), K/W
Still air
80
100 lfpm
70
200 lfpm
61
300 lfpm
57
400 lfpm
56
500 lfpm
55
180
Figure 9. Maximum MPC961P Frequency, VCC = 3.3 V,
MTBF 9.1 Years, Driving Series Terminated
Transmission Lines
Figure 10. Maximum MPC961P Frequency,
VCC = 3.3 V, MTBF 9.1 Years, 4 pF Load per Line
200
160
140
120
0
500
400
300
200
100
IFPM, CONVECTION
0
OPERATING
FREQUENC
Y
(MHz)
180
20
TA = 85C
fMAX (AC)
0
500
400
300
200
100
IFPM, CONVECTION
0
OPERATING
FREQUENC
Y
(MHz)
TA = 75C
TA = 85C
fMAX (AC)
Safe operation
40
60
80
100
200
160
140
120
20
40
60
80
100
Figure 11. TCLK MPC961P AC Test Reference for VCC = 3.3 V and VCC = 2.5 V
Pulse
Generator
Z = 50
RT = 50
ZO = 50
RT = 50
ZO = 50
MPC961P DUT
VTT
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