PCK2509SADH View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

PCK2509SADH

50–150 MHz 1:9 SDRAM clock driver

Philips Electronics 

Philips Semiconductors

50–150 MHz 1:9 SDRAM clock driver

Product specification

PCK2509SA

PARAMETER MEASUREMENT INFORMATION

FROM OUTPUT

UNDER TEST

30 pF

500 Ω

LOAD CIRCUIT FOR OUTPUTS

3V

INPUT

50% VCC

tpe

0V

OUTPUT

2V

0.4 V

tr

50% VCC

2V

VOH

0.4 V VOL

tf

VOLTAGE WAVEFORMS & PHASE ERROR TIMES

NOTES:

1. CL includes probe and jig capacitance.

2. All input pulses are supplied by generators having the following characteristics: PRR ≤ 100 MHz, ZO = 50 Ω , tr ≤ 1.2 ns, tf ≤

13.2 Tnhs.e outputs are measured one at a time with one transition per measurement.

Figure 6. Load Circuit and Voltage Waveforms

SW00384

CLKIN

FBIN

FBOUT

tphase error

ANY Y

ANY Y

tSK(0)

ANY Y

tSK(0)

Figure 7. Phase Error and Skew Calculations

SW00385

2000 Dec 01

8

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