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FXLA104_12 Datasheet, PDF (15/18 Pages) Fairchild Semiconductor – Low-Voltage Dual-Supply 4-Bit Voltage Translator with Configurable Voltage Supplies and Signal Levels, 3-State Outputs, and Auto Direction Sensing | |||
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VOUT
trise
VOH
80% x VCCO
20% x VCCO
VOL
Time
IOHD
â (CL
+ CI /O ) Ã
ÎVOUT
Ît
=
(CL
+
CI
/O )Ã
(20%
â
80%)
tRISE
⢠VCCO
Figure 8. Active Output Rise Time and Dynamic Output Current High
VOH
tfall
VOUT
80% x VCCO
20% x VCCO
VOL
Time
IOLD
â
(CL
+ CI /O ) Ã
ÎVOUT
Ît
=
(CL
+
CI
/O
)Ã
(80%
â
20%)
t FALL
⢠VCCO
Figure 9. Active Output Fall Time and Dynamic Output Current Low
tW
DATA
IN
VCCI/2
VCCI/2
Maximum Data Rate, f = 1/tW
Figure 10.Maximum Data Rate
VCCI
GND
DATA
OUTPUT
Vmo
tskew
Vmo
VCCO
GND
tskew
DATA
OUTPUT
Vmo
Figure 11. Output Skew Time
Note:
22. tSKEW = (tpHLmax â tpHLmin) or (tpLHmax â tpLHmin)
VCCO
Vmo
GND
© 2009 Fairchild Semiconductor Corporation
FXLA104 ⢠Rev. 1.0.9
15
www.fairchildsemi.com
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