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W83193R-01

83.MHZ 3-DIMM CLOCK

Winbond 

W83193R-01

8.0 SPECIFICATIONS

PRELIMINARY

8.1 ABSOLUTE MAXIMUM RATINGS

Stresses greater than those listed in this table may cause permanent damage to the device.

Precautions should be taken to avoid application of any voltage higher than the maximum rated

voltages to this circuit. Maximum conditions for extended periods may affect reliability. Unused

inputs must always be tied to an appropriate logic voltage level (Ground or Vdd).

Symbol

Vdd , VIN

TSTG

TB

TA

Parameter

Voltage on any pin with respect to GND

Storage Temperature

Ambient Temperature

Operating Temperature

Rating

- 0.5 V to + 7.0 V

- 65°C to + 150°C

- 55°C to + 125°C

0°C to + 70°C

8.2 AC CHARACTERISTICS

Vdd = Vddq3 = 3.3V ± 5 %, Vddq2= 2.375V~2.9V , TA = 0°C to +70°C

Parameter

Symbol Min Typ Max Units

Output Duty Cycle

45 50

55

%

CPU/SDRAM to PCI Offset

tOFF

1

4

ns

Skew (CPU-CPU), (PCI-

PCI), (SDRAM-SDRAM)

CPU/SDRAM

Cycle to Cycle Jitter

tSKEW

tCCJ

250

ps

¡Ó250 ps

CPU/SDRAM

tJA

Absolute Jitter

500

ps

Jitter Spectrum 20 dB

BWJ

500 KHz

Bandwidth from Center

Output Rise (0.4V ~ 2.0V)

& Fall (2.0V ~0.4V) Time

tTLH

0.4

tTHL

1.6

ns

Overshoot/Undershoot

Vover

0.7

1.5

V

Beyond Power Rails

Ring Back Exclusion

VRBE

0.7

2.1

V

Test Conditions

Measured at 1.5V

15 pF Load Measured at 1.5V

15 pF Load Measured at 1.5V

15 pF Load on CPU and PCI

outputs

22 Ω at source of 8 inch PCB

run to 15 pF load

Ring Back must not enter this

range.

- 10 -

Publication Release Date: May 1998

Revision 0.20

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