Rainbow Electronics BU4015BF - Manual (Page 3)

3
Standard ICs BU4015B / BU4015BF
Switching characteristics (unless otherwise noted, Ta = 25°C, V
SS
= 0V, C
L
= 50pF)
Parameter Symbol Min. Typ. Max. Unit Conditions
V
DD
(V)
t
TLH
— 180 —
ns
5
— — 90 — 10
— 65 — 15
t
THL
— 100 —
ns
5
— — 50 — 10
— 40 — 15
Propagation delay time,
CLOCK, D
→
Q
t
PLH
t
PHL
— 310 —
ns
5
— — 125 — 10
— 90 — 15
Propagation delay time,
RESET to Q t
PLH
t
PHL
— 460 —
ns
5
— — 180 — 10
— 120 — 15
Setup time t
su
— 100 —
ns
5
— — 50 — 10
— 40 — 15
Minimum clock
pulse width
— 185 —
ns
5
— — 85 — 10
— 55 — 15
Minimum reset
pulse width
— 200 —
ns
5
— — 80 — 10
— 60 — 15
Maximum clock
frequency
— 20 —
MHz
5
— — 6.0 — 10
— 7.5 — 15
Maximum clock rise
time and fall time
— 100 —
µ
s
5
— — 40 — 10
15 — 15 —
Input capacitance C
IN
— 5 — pF — —
t
WH (CLK)
t
WH (R)
f
(CLK) Max.
t
r (CLK)
t
f (CLK)
Output rise time
Output fall time