HP 64783A, User Manual

Page: 618 / 816

HP 64783A/B Clock AC Timing Specifications
Num Characteristic
25 MHz 33 MHz 40 MHz
Unit
Min Max Min Max Min Max
Frequency of Operation
16.67 25 16.67 33 20 40 MHz
1
PCLK Cycle Time
20 30 15 30 12.5 25 ns
2
PCLK Rise Time
1.7 1.7 — 1.5 ns
3
PCLK Fall Time
1.6 1.6 — 1.5 ns
4
PCLK Duty Cycle Measured at 1.5 V
47.50 52.50 46.67 53.33 46.0 54.00 %
4a
1
PCLK Pulse Width High Meas. at 1.5 V
9.50 10.50 7 8 5.75 6.75 ns
4b
1
PCLK Pulse Width Low Measured at 1.5
V
9.50 10.50 7 8 5.75 6.75 ns
5
BCLK Cycle Time
40 60 30 60 25 50 ns
6,7
BCLK Rise and Fall Time
— 4 — 3 — 3 ns
8
BCLK Duty Cycle Measured at 1.5 V
40 60 40 60 40 60 %
8a
1
BCLK Pulse Width High Measured at
1.5 V
16 24 12 18 10 15 ns
8b
1
BCLK Pulse Width Low Measured at 1.5
V
16 24 12 18 10 15 ns
9
PCLK, BCLK Frequency Stability
— 1000 — 1000 — 1000 ppm
10
PCLK to BCLK Skew
— n/a — n/a — n/a ns
Notes for Clock AC Timing Specifications:
1 Specification value at maximum frequency of operation.
Chapter 16: Specifications and Characteristics
HP 64783A/B Clock AC Timing Specifications
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