GP2021 Datasheet, PDF (56/62 Pages) Mitel Networks Corporation – GPS 12 channel Correlator Advance Information

GP2021
READ
NCS
ALE__IP
A<9:2>
D<15:0>
WREN
(HIGH)
alHalL
alHrcL
adVrcL
adValL
alLadI
ADDRESS
VALID
rcLdaV
rcHalH
rcHdaZ
Fig. 37 : Intel 186 mode read ALE_IP being pulsed (NARMSYS = 1, NINTELMOT = 0, WRPROG = 0)
Timing Parameter Description
ALE_IP High to READ and NCS Low setup time
ALE_IP High to ALE_IP Low pulse width
READ or NCS High to ALE_IP High hold off time
Address Valid to READ and NCS Low setup time
Address Valid to ALE_IP Low setup time
ALE_IP Low to Address Invalid hold time
READ and NCS Low to Data Valid propagation delay
READ or NCS High to Data High Impedance
Symbol
τ_alHrcL
τ_alHalL
τ_rcHalH
τ_adVrcL
τ_adValL
τ_alLadI
τ_rcLdaV
τ_ρcHdaZ
Notes: 1 The Data Out propagation delay is for a Data Bus load of 50pF.
Min
Max
Units Notes
14
ns
10
ns
5
ns
10
ns
8
ns
8
ns
44
ns
1
4
23
ns
56