参数资料
型号: MPC941FAR2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 时钟及定时
英文描述: 941 SERIES, LOW SKEW CLOCK DRIVER, 27 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
封装: 7 X 7 MM, LQFP-48
文件页数: 9/9页
文件大小: 326K
代理商: MPC941FAR2
6
MPC941
MOTOROLA ADVANCED CLOCK DRIVERS DEVICE DATA
547
Figure 12. LVCMOS_CLK MPC941 AC test reference for Vcc = 3.3V and Vcc = 2.5V
Figure 13. PECL_CLK MPC941 AC test reference for Vcc = 3.3V and Vcc = 2.5V
Pulse
Generator
Z = 50W
RT = 50
ZO = 50
RT = 50
ZO = 50
DUT MPC941
VTT
Differential
Pulse Generator
Z = 50W
RT = 50
ZO = 50
RT = 50
ZO = 50
DUT MPC941
VTT
Figure 14. LVPECL Propagation delay (tPD)
test reference
Figure 15. LVCMOS Propagation delay (tPD)
test reference
Figure 16. Output Duty Cycle (DC)
Figure 17. Output–to–output Skew tSK(O)
The pin-to-pin skew is defined as the worst case difference in
propagation delay between any two similar delay paths within
a single device
The time from the PLL controlled edge to the non controlled
edge, divided by the time between PLL controlled edges,
expressed as a percentage
VCC
VCCB2
GND
VOH
VCCB2
GND
tSK(O)
VCC
VCCB2
GND
tP
T0
DC = tP/T0 x 100%
VCC
VCCB2
GND
VCC
VCCB2
GND
tPD
LVCMOS_CLK
Q
VCC
VCCB2
GND
tPD
PECL_CLK
Q
PECL_CLK
VCMR
VPP
tF
tR
VCC=3.3V
VCC=2.5V
2.0
1.7V
0.8
0.7V
Figure 18. Output Transition Time Test Reference
tF
tR
VCC=3.3V
VCC=2.5V
2.4
1.8V
0.55
0.6V
Figure 19. Input Transition Time Test Reference
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相关PDF资料
PDF描述
MPC941AER2 941 SERIES, LOW SKEW CLOCK DRIVER, 27 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
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MPC942CFA LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
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