WF5025 series
Switching Characteristics
WF5025AL× (2.5V operation)
V
DD
= 2.25 to 2.75V, V
SS
= 0V, Ta =
−40
to +85°C unless otherwise noted.
Rating
Parameter
Symbol
t
r1
t
r2
Output fall time
t
f1
t
f2
Output duty cycle
*1
Output disable delay time
*2
Output enable delay time
*2
Duty1
Duty2
t
PLZ
t
PZL
Condition
min
Output rise time
Measurement cct 3, load cct 1,
0.1V
DD
to 0.9V
DD
Measurement cct 3, load cct 1,
0.9V
DD
to 0.1V
DD
Measurement cct 3, load cct 1,
V
DD
= 2.5V, Ta = 25°C, f = 50MHz
C
L
= 15pF
C
L
= 30pF
C
L
= 15pF
C
L
= 30pF
C
L
= 15pF
C
L
= 30pF
–
–
–
–
45
45
–
–
typ
3
5
3
5
–
–
–
–
max
6
10
6
10
55
55
100
100
ns
ns
ns
ns
%
%
ns
ns
Unit
Measurement cct 6, load cct 1, V
DD
= 2.5V, Ta = 25°C,
C
L
= 15pF
*1. The duty cycle characteristic is checked the sample chips of each production lot.
*2. Oscillator stop function is built-in. When INHN goes LOW, normal output stops. When INHN goes HIGH, normal output is not resumed until after the
oscillator start-up time has elapsed.
WF5025AL× (3.0V operation)
V
DD
= 2.7 to 3.6V, V
SS
= 0V, Ta =
−40
to +85°C unless otherwise noted.
Rating
Parameter
Symbol
t
r1
t
r2
Output fall time
t
f1
t
f2
Output duty cycle
*1
Output disable delay time
*2
Output enable delay time
*2
Duty1
Duty2
t
PLZ
t
PZL
Condition
min
Output rise time
Measurement cct 3, load cct 1,
0.1V
DD
to 0.9V
DD
Measurement cct 3, load cct 1,
0.9V
DD
to 0.1V
DD
Measurement cct 3, load cct 1,
V
DD
= 3.0V, Ta = 25°C, f = 50MHz
C
L
= 15pF
C
L
= 30pF
C
L
= 15pF
C
L
= 30pF
C
L
= 15pF
C
L
= 30pF
–
–
–
–
45
45
–
–
typ
2.5
4.5
2.5
4.5
–
–
–
–
max
5
9
5
9
55
55
100
100
ns
ns
ns
ns
%
%
ns
ns
Unit
Measurement cct 6, load cct 1, V
DD
= 3.0V, Ta = 25°C,
C
L
= 15pF
*1. The duty cycle characteristic is checked the sample chips of each production lot.
*2. Oscillator stop function is built-in. When INHN goes LOW, normal output stops. When INHN goes HIGH, normal output is not resumed until after the
oscillator start-up time has elapsed.
NIPPON PRECISION CIRCUITS INC.—10
NPC [ NIPPON PRECISION CIRCUITS INC ]
