BU2090 Datasheet, PDF (6/12 Pages) Rohm – 12-bit, serial IN, parallel OUT driver

Standard ICs
BU2090 / BU2090F / BU2090FS /
BU2092 / BU2092F / BU2092FV
BU2092 / F / FV switching characteristics (unless otherwise noted, Ta = 25°C, VSS = 0V)
Parameter
Symbol Min. Typ. Max. Unit
—
55
—
tPLZ (LCK)
ns
Transmission delay time
—
90
—
(LCK to OUTPUT QX)
—
50
—
tPZL (LCK)
ns
—
115
—
Output disable time
(OE to OUTPUT QX)
—
45
—
tPLZ
ns
—
70
—
—
35
—
tPZL
ns
—
80
—
500
—
—
Minimum clock pulse width
tW
ns
1000
—
—
500
—
—
Minimum latch pulse width tW (LCK)
ns
1000
—
—
Setup time
(LCK to CLOCK)
200
—
—
tS
ns
400
—
—
Setup time
(DATA to CLOCK)
200
—
—
tSU
ns
400
—
—
Hold time
(CLOCK to DATA)
200
—
—
tH
ns
400
—
—
á­º Not designed for radiation resistance.
VDD
Conditions
5
RL = 5kΩ
3
CL = 10pF
5
RL = 5kΩ
3
CL = 10pF
5
RL = 5kΩ
3
CL = 10pF
5
RL = 5kΩ
3
CL = 10pF
5
—
3
5
—
3
5
—
3
5
—
3
5
—
3
BU2092 / F / FV switching characteristics measurement conditions
CLOCK
10%
tSU
90%
tH
90%
10%
tW
10%
tW
90%
90%
DATA
90% 90%
tS
tW (LCK)
LCK
50%
90%
50%
10%
90%
OE
Qx
tPLZ (LCK)
tPZL (LCK)
50%
50%
10%
tPLZ
50%
10%
tPZL
50%
VDD
GND (VSS)
VDD
GND (VSS)
VDD
GND (VSS)
VDD
GND (VSS)
Fig.2
6