BU2050F_09 Datasheet, PDF (13/25 Pages) Rohm – Serial / Parallel 4-input Drivers

BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS
Technical Note
【BU2099FV】
●Switching characteristics (Unless otherwise specified, VDD=5V, VSS=0V, Ta=25℃)
Parameter
Symbol
Min.
Limit
Typ.
Max.
Unit
Minimum Clock Pulse Width
(CLOCK)
t_W
1000
500
-
-
-
ns
-
ns
Minimum Latch Pulse Width
t_W
1000
-
(LCK)
(LCK)
500
-
-
ns
-
ns
Setup Time
(LCK→CLOCK)
t_S
400
200
-
-
-
ns
-
ns
Setup Time
(DATA→CLOCK)
t_su
400
200
-
-
-
ns
-
ns
Hole Time
(CLOCK→DATA)
t_H
400
200
-
-
-
ns
-
ns
Propagation
(SO)
t_PLH
-
t_PHL
-
-
500
ns
-
250
ns
Propagation
t_PLZ
-
360
-
ns
(LCK)
-
170
-
ns
(LCK→QX) *
t_PZL
-
260
-
ns
(LCK)
-
175
-
ns
Propagation
t_PLZ
-
115
-
-
85
-
ns
ns
( QE →QX) *
t_PZL
-
175
-
-
65
-
ns
ns
Noise Pulse Suppression
Time (LCK) *
t_I
-
30
-
20
ns
ns
*Reference value
●Input Voltage Test Circuit
RL =10kΩ
VDD(V)
3
5
3
5
3
5
3
5
3
5
3
5
3
5
3
5
3
5
3
5
-
-
Condition
-
-
-
-
-
-
-
RL=5kΩ
CL=10pF
RL=5kΩ
CL=10pF
RL=5kΩ
CL=10pF
RL=5kΩ
CL=10pF
-
GND
(Vss)
●Switching Time Test Circuit
VDD
P.G.
VIH
VIL
GND
Fig. 8
+25V
RL =5kΩ
CL =10pF
GND
(Vss)
GND
(Vss)
P.G.
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Fig. 9
+25V
RL =5kΩ
CL =10pF
GND
(Vss)
13/24
2009.06 - Rev.A