GP2021 Datasheet, PDF (54/62 Pages) Mitel Networks Corporation – GPS 12 channel Correlator Advance Information

GP2021
READ
NCS
ALE_IP
(HIGH)
A<9:2>
D<15:0>
WREN
(HIGH)
adLrcL
ADDRESS
VALID
rcLdaV
rcHadI
rcHdaZ
DATA
VALID
Fig. 35 : Intel 186 mode read with ALE_IP tied High (NARMSYS + 1, NINTELMOT = 0, WRPROG = 0)
Timing Parameter Description
Symbol
Min
Address Valid to READ and NCS Low setup time
τ_adVrcL
9
READ or NCS High to Address Invalid hold time
τ_rcHadI
10
READ and NCS Low to Data Valid propagation delay
τ_rcLdaV
44
READ or NCS High to Data High Impedance
τ_rcHdaZ
4
Notes: 1 The Data Out Propagation delay is for a Data Bus load of 50pF.
Max
Units Notes
ns
ns
ns
1
23
ns
54