參數(shù)資料
型號(hào): MPC941AE
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 2/13頁(yè)
文件大小: 0K
描述: IC CLOCK BUFFER MUX 1:27 48-LQFP
標(biāo)準(zhǔn)包裝: 250
類型: 扇出緩沖器(分配),多路復(fù)用器
電路數(shù): 1
比率 - 輸入:輸出: 1:27
差分 - 輸入:輸出: 是/無(wú)
輸入: LVCMOS,LVPECL
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: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 托盤
MPC941 REVISION 9 JANUARY 7, 2013
10
2013 Integrated Device Technology, Inc.
MPC941 Data Sheet
LOW VOLTAGE, 1:27 CLOCK DISTRIBUTION CHIP
Figure 12. LVCMOS_CLK MPC941 AC Test Reference for VCC = 3.3 V and VCC = 2.5 V
Figure 13. PECL_CLK MPC941 AC Test Reference for VCC = 3.3 V and VCC = 2.5 V
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)
Figure 18. Output Transition Time Test Reference
Figure 19. Input Transition Time Test Reference
Pulse
Generator
Z = 50
RT = 50
ZO = 50
RT = 50
ZO = 50
DUT MPC941
VTT
Differential Pulse
Generator
Z = 50
RT = 50
ZO = 50
RT = 50
ZO = 50
DUT MPC941
VTT
VCC
VCC÷2
GND
VPP
VCMR
PCLK_CLK
Q
tPD
LVCMOS_CLK
Q
VCC
VCC 2
GND
tPD
VCC
VCC 2
GND
The time from the PLL controlled edge to the non controlled
edge, divided by the time between PLL controlled edges,
expressed as a percentage
DC = tP/t0 x 100%
VCC
VCC 2
GND
t0
tP
The pin-to-pin skew is defined as the worst case difference
in propagation delay between any two similar delay path
within a single device
tSK(O)
VCC 2
GND
VOH
VCC 2
GND
VCC
tF
tR
VCC = 3.3 V VCC = 2.5 V
2.4
0.55
1.8 V
0.6 V
tF
tR
VCC = 3.3 V VCC = 2.5 V
2.0
0.8
1.7 V
0.7 V
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