EM77950
BB Controller
19.4.2 BB
°
°
Ta=0 C ~ 70 C, VDD=3.3 V±5%, VSS=0V
Symbol
Parameter
Oscillator frequency
Min
Max
Unit
1/tOSC
tRDPW
tCSRD
tADRD
tRDDV
tRHDT
tDHAR
tRHDT
tRDAN
0.1
24
MHz
ns
RD pulse width
3*tOSC+ Δ
−
CS low to RD low
tOSC
−
ns
Address valid for RD low
RD low to Data valid
0
−
ns
−
3*tOSC+Δ
ns
Data float after RD.
−
0
tOSC
ns
Data hold after RD
−
−
−
ns
Time between consecutive RD pulses
Address valid after RD low
2*tOSC
3*tOSC+Δ
ns
ns
Δ>0 will be determined according to cell library simulation.
The values above were determined according to behavioral simulations. They take into
account only the BB digital state-machine. Thus, such values are for reference only.
92 •
Product Specification (V1.0) 10.09.2007
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
