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GP2021 датащи(PDF) 58 Page - Mitel Networks Corporation

номер детали GP2021
подробное описание детали  GPS 12 channel Correlator Advance Information
PDF  62 Pages
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производитель  MITEL [Mitel Networks Corporation]
домашняя страница  http://www.mitel.com
Logo MITEL - Mitel Networks Corporation

GP2021 датащи(HTML) 58 Page - Mitel Networks Corporation

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GP2021
Timing Parameter Description
Symbol
Min
Max
Units
Notes
WREN or NCS Inactive to WREN and NCS active
τ
wcIwcA
23
ns
1
ALE_IP High to ALE_IP Low pulse width
τ
alHalL
13
ns
WREN or NCS Inactive to ALE_IP Low Hold off time
τ
wcIalL
23
ns
1
Address Valid to ALE_IP Low setup time
τ
adValL
9ns
ALE_IP Low to Address Invalid Hold time
τ
alLadI
8ns
READ Valid to WREN and NCS Active setup time
τ
rdVwcA
7
ns
1, 2
WREN and NCS Active to READ Invalid Hold time
τ
wcArdI
5
ns
1, 2
WREN or NCS Active to DATA valid
τ
wcAdaV
44
ns
1
WREN or NCS Inactive to DATA High impedance
τ
wcIdaZ
423
ns
1
Notes: 1
WREN is active High, NCS is active Low.
2
READ is transparently latched by WREN and NCS being active.
3
There is no parameter specified for WREN or NCS Inactive to ALE_IP High, since the internal ALE signal is
disabled until after the end of the internal Read or Write Strobe; hence the need for the
τ
wcIalL
parameter.
WREN
NCS
READ
ALE_IP
A<9:2>
D<15:0>
DATA
VALID
wcIwcA
rdVwcA
rdIwcA
wcIalL
alHalL
adValL
alLadI
wcAdaV
wcIdaZ
ADDRESS
VALID
Fig. 39 : Motorola mode read, ALE_IP non-overlapping WREN and NCS (NARMSYS = 1, NINTELMOT = 1, WRPROG = X)



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