MPC941 datasheet(10/13 Pages) IDT

10 / 13 page

REVISION 10 3/18/15

LOW VOLTAGE, 1:27 CLOCK DISTRIBUTION CHIP

MPC941 DATA SHEET

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

tPD

LVCMOS_CLK

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 = t

P/t0 x 100%

VCC

VCC  2

GND

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

VCC = 3.3 V VCC = 2.5 V

2.4

0.55

1.8 V

0.6 V

VCC = 3.3 V VCC = 2.5 V

2.0

0.8

1.7 V

0.7 V

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