Rainbow Electronics BU4094BCFV - Manual (Page 4)

4
Standard ICs BU4094BC / BU4094BCF / BU4094BCFV
•
Measurement circuits
50pF
OUTPUT
GND
P.G.
CLOCK
DATA
STROBE
OUTPUT
ENABLE
Fig. 1 Switching waveform
OUTPUT
GND
P.G.
CLOCK
DATA
STROBE
OUTPUT
ENABLE
1k Ω
50pF
SW
V DD
A
B
A: t PLZ , t PZL
B: t PHZ , t PZH
Fig. 2 3-state delay time
90% 90%
50% 50% 50% 50% 50%
10%
tr tf
50% 50%
t W
t H t SU
50%
50% 50% 50% 50%
t WH
90%
50%
10% 10%
90% 90%
10%
50%
90%
10%
50% 50%
50% 50%
t PLH t PHL
t PLH
t PLH t PHL
50%
t PLH t PHZ t PLZ t PZL t PZH
t TLH t THL t PHL
CLOCK
DATA
STROBE
OUTPUT
ENABLE
Q 1 ~ Q 8
Qs
Q's
Fig. 3 Switching time test waveform
•
Electrical characteristic curve
POWER DISSIPATION: Pd (mW)
1200
1000
800
600
400
200
0
0 25 50 75 100 125 150
AMBIENT TEMPERATURE: Ta ( ° C)
SOP16
SSOP - B16
DIP16
Fig. 4 Power dissipation vs.
ambient temperature