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| BU2050F_1 Datasheet, PDF (14/25 Pages) Rohm – Serial / Parallel 4-input Drivers | |||
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BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS
Technical Note
ãBU2099FVã
âOutput Voltage Test Circuit
VDD
GND
(Vss)
P.G.
12
SW3
1
SW1
±25V
1 SW2
3
2
IOL1
SW4
1
2
IOH IOL2
GND
(Vss)
GND
(Vss)
GND
(Vss)
Test condition
VOL1
ï¼Set all data âLâ. SW1=âONâ, SW2=â3â, SW3=â1âï½â12â.
VOL2
ï¼Set output data âLâ to SO and SW4 is positioned to â2â, then voltage is measured at IOL2.
VOH
ï¼Set output data âHâ to SO and SW4 is positioned to â1â, then voltage is measured at IOH.
Fig. 10
GND
(Vss)
GND GND
(Vss) (Vss)
âSwitching Time Test Waveforms
90%
CLOCK
10%
tSU
tH
90%
90%
DATA
50%
90%
10%
tW
10%
tS
LCK
OE
50%
tS2
tPLZ(LCK)
tW (CLK)
10%
90%
50%
90%
tPLZ
50%
tPZL(LCK)
tW
90%
90%
50%
50%
tPZL
Qx
10%
SO
50%
10%
50%
tPLH
50%
Fig. 11
VDD
50%
GND (VSS)
VDD
GND (VSS)
VDD
GND (VSS)
VDD
GND (VSS)
VEXT
GND (VSS)
tPHL
VDD
50%
GND (VSS)
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
14/24
2009.06 - Rev.A
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