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| FXMA2102 Datasheet, PDF (13/16 Pages) Fairchild Semiconductor – Dual Supply, 2-Bit Voltage Translator / Buffer / Repeater / Isolator for I2C Applications | |||
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Timing Diagrams
DATA
IN
DATA
OUT
Figure 9.
Vmi
VCCI
GND
OUTPUT
CONTROL
Vmi
tpxx
tpxx
tPZL
Vmo VCCO
DATA
OUT
VY
VCCA
GND
VOL
Waveform for Inverting and Non-Inverting
Functions(15)
Figure 10. 3-STATE Output Low Enable Time(15)
OUTPUT
CONTROL
VCCA
Vmi
tPLZ
GND
DATA
OUT
VOL
Vx
Figure 11. 3-STATE Output High Enable Time(15)
Symbol
Vmi(16)
Vmo
VX
VY
VCC
VCCI / 2
VCCO / 2
0.5 x VCCO
0.1 x VCCO
Figure 12. Active Output Rise Time
Figure 13. Active Output Fall Time
DATA
IN
tperiod
VCCI / 2
VCCI / 2
F-toggle rate, f = 1 / tperiod
VCCI
GND
DATA
OUTPUT
Vmo
tskew
DATA
OUTPUT
Vmo
Vmo
VCCO
GND
tskew
VCCO
Vmo
GND
tskew = (tpHLmax â tpHLmin) or (tpLHmax â tpLHmin)
Figure 14. F-Toggle Rate
Figure 15. Output Skew Time
Notes:
15. Input tR = tF = 2.0 ns, 10% to 90% at VIN = 1.65 V to 1.95 V;
Input tR = tF = 2.0 ns, 10% to 90% at VIN = 2.3V to 2.7 V;
Input tR = tF = 2.5 ns, 10% to 90%, at VIN = 3.0 V to 3.6 V only;
Input tR = tF = 2.5 ns, 10% to 90%, at VIN = 4.5 V to 5.5V only.
16. VCCI = VCCA for control pin OE or Vmi = (VCCA / 2).
© 2010 Fairchild Semiconductor Corporation
FXMA2102 ⢠Rev. 1.0.5
13
www.fairchildsemi.com
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