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BU2050F_1 Datasheet, PDF (13/25 Pages) Rohm – Serial / Parallel 4-input Drivers | |||
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BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS
Technical Note
ãBU2099FVã
âSwitching characteristics (Unless otherwise specified, VDD=5V, VSS=0V, Ta=25â)
Parameter
Symbol
Min.
Limit
Typ.
Max.
Unit
Minimum Clock Pulse Width
(CLOCK)
tW
1000
500
-
-
-
ns
-
ns
Minimum Latch Pulse Width
tW
1000
-
(LCK)
(LCK)
500
-
-
ns
-
ns
Setup Time
(LCKâCLOCK)
tS
400
200
-
-
-
ns
-
ns
Setup Time
(DATAâCLOCK)
tsu
400
200
-
-
-
ns
-
ns
Hole Time
(CLOCKâDATA)
tH
400
200
-
-
-
ns
-
ns
Propagation
(SO)
tPLH
-
tPHL
-
-
500
ns
-
250
ns
Propagation
tPLZ
-
360
-
ns
(LCK)
-
170
-
ns
(LCKâQX) *
tPZL
-
260
-
ns
(LCK)
-
175
-
ns
Propagation
tPLZ
-
115
-
-
85
-
ns
ns
( QE âQX) *
tPZL
-
175
-
-
65
-
ns
ns
Noise Pulse Suppression
Time (LCK) *
tI
-
30
-
20
ns
ns
*Reference value
âInput Voltage Test Circuit
RL =10kâ¦
VDD(V)
3
5
3
5
3
5
3
5
3
5
3
5
3
5
3
5
3
5
3
5
-
-
Condition
-
-
-
-
-
-
-
RL=5kâ¦
CL=10pF
RL=5kâ¦
CL=10pF
RL=5kâ¦
CL=10pF
RL=5kâ¦
CL=10pF
-
GND
(Vss)
âSwitching Time Test Circuit
VDD
P.G.
VIH
VIL
GND
Fig. 8
+25V
RL =5kΩ
CL =10pF
GND
(Vss)
GND
(Vss)
P.G.
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
Fig. 9
+25V
RL =5kΩ
CL =10pF
GND
(Vss)
13/24
2009.06 - Rev.A
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