August 2004

ASM5CVF857

rev 1.2

2.5V Wide-Range Frequency Clock Driver (60 MHz

– 200 MHz)

10 of 15

Notice: The information in this document is subject to change without notice.

V

DD

V

(CLKT)

R = 60

V

DD

/2

ASM5CVF857

GND

V

(CLKC)

R = 60

Figure 1: IBIS Model Output Load

V

DD

/2

Z=50

R = 10 

SCOPE

Z=60

Z=60

Z=50

C = 14 pF

R = 10 

R = 50 

R = 50 

-V

DD

/2

-V

DD

/2

-V

DD

/2

ASM5CVF857

C = 14 pF

V

TT

V

TT

Note: V

TT

= GND

Figure 2: Output Load Test Circuit

V

DD

Z=120

SCOPE

Z=60

Z=60

C = 14 pF

R = 1 M

GND

GND

GND

ASM5CVF857

C = 14 pF

V

TT

V

TT

Note: V

TT

= GND

C = 1 pF

C = 1 pF

R = 1 M

Figure 3: Output Load Test Circuit for Crossing Point

t

c(n)

t

c(n+1)

t

jit(cc)

= t

c(n)

± t

c(n+1)

Y

Y

Figure 4: Cycle-to-Cycle Jitter Period

Parameter Measurement Information