BU2050F_1 Datasheet, PDF (8/25 Pages) Rohm – Serial / Parallel 4-input Drivers

BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS
Technical Note
●Switching characteristics (Unless otherwise specified, VDD=4.5 to 5.5V, Ta=25℃)
Parameter
Symbol _Min.
Limit
Typ.
Max.
Unit
Set up time (DATA-CLK)
t_SD
20
-
-
ns
Hold time (DATA-CLK)
t_HD
20
-
-
ns
Set up time (STB  CLK)
t_SSTB
30
-
-
ns
Hold time (STB  CLK)
t_HSTB
30
-
-
ns
Propagation (CLR  P1～P8)
t_PDPCK
-
-
100
ns
Propagation (STB  P1～P8)
t_PDPSTB
-
-
80
ns
Propagation (CLR  P1～P8)
t_PDPCLR
-
-
80
ns
Maximum clock frequency
f_MAX
5
-
-
MHz
Condition
-
-
-
-
P1～P8 terminal load 20pF or less
P1～P8 terminal load 20pF or less
P1～P8 terminal load 20pF or less
-
●Switching Time Test Waveform
f_MAX
1
2
CLK
t_SD
DATA
t_HD
STB
CLR
8
9
t_HSTB
t_SSTB
10
11
12
P8
P1
t_PDPSTB
t_PDPCLR
Fig. 3
t_PDPCK
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2009.06 - Rev.A