GP2021 Datasheet, PDF (48/62 Pages) Mitel Networks Corporation – GPS 12 channel Correlator Advance Information

GP2021
MCLK
DBE
A<22:20>
NRAM
NRD
D<15:0>
adVnraL
nraLmcL
nrdLmcL
nrdHdbH
mcLnrdH
RAM data
RAM Read Cycle
Fig. 27 : ARM Mode RAM Read
Description
NRAM Low to MCLK Low
NRD Low to MCLK Low
NRD High to DBE High
MCLK Low to NRD High
Address Valid to NRAM Low
Symbol
τ _nraLmcL
τ _nrdLmcL
τ_nrdHdbH
τ_mcLnrdH
τ_adVnraL
Min
29
16.5
15.5
2.5
2
Max
Units
45
ns
23
ns
22.5
ns
11.5
ns
8
ns
48