HP 64751 User Manual page 480

Chapter 13: Specifications and Characteristics
Emulator Specifications and Characteristics
AC Electrical Specifications (64751-66508 and higher active probe board numbers) — Clock
Timing
Num. Characteristic
System Frequency (See Note)
Crystal Frequency
On-Chip VCO System Frequency
On-Chip VCO Frequency Range
Crystal Oscillator Startup Time
1 CLKOUT Period
2,3 CLKOUT Pulse Width
4,5 CLKOUT Rise and Fall Times
480
Symbol
f
sys
f
XTAL
f
sys
f
VCO
t
rc
t
cyc
t
CW
t
Crf
NOTE: All internal registers retain data at 0 Hz.
MC68340
25.16 MHz HP 64751
Min Max Min
dc 25.16 dc
25 50 25
0.13 25.16 0.13
0.1 50.3 0.1
— 20 —
40 — 40
19 — 19
— 4 —
Max Unit
25.16 MHz
50 kHz
25.16 MHz
50.3 MHz
20 ms
— ns
— ns
4 ns