TI380FPA Datasheet, PDF (18/24 Pages) Texas Instruments – PACKETBLASTER™

TI380FPA
PACKETBLASTERā
SPWS011A − MARCH 1995 − REVISED AUGUST 1995
PARAMETER MEASUREMENT INFORMATION
FPA-slave timing: read cycle
t_M is the cycle time of one-eighth of a local-memory cycle (20.83 ns minimum).
NO.
84 Setup time, address on MAX0, MAX2 before MBCLK1 falling edge, FPA-slave read
MIN
10
85 Hold time, address on MAX0, MAX2 after MBCLK1 falling edge, FPA-slave read
0
86 Setup time, valid address before MBCLK1 falling edge, FPA-slave read
10
87 Hold time, valid address after MBCLK1 falling edge, FPA-slave read
0
88 Setup time, address in the high-impedance state before MBCLK1 falling edge, FPA-slave read
0
89 Setup time, data/parity valid after MBCLK1 falling edge, FPA-slave read
0.5tM + 10
90 Hold time, data/parity valid after MBCLK1 falling edge, FPA-slave read
2tM
91 Setup time, data/parity in the high-impedance state after MBCLK1 falling edge, FPA-slave read
2tM + 9
92 Setup time, MDDIR low after MBCLK1 falling edge, FPA-slave read
tM − 15
93 Hold time, MDDIR low after MBCLK1 falling edge, FPA-slave read
tM
M8 M1 M2 M3 M4 M5 M6 M7 M8 M1
tM
MBCLK1
84
85
MAX
MAX0, MAX2
Address
MAXPH, MAXPL,
MADL0 −MADL7,
MADH0 −MADH7
MDDIR
86
87
Address
93
92
88
90
91
89
Data
Out
Figure 9. FPA-Slave Timing: Read Cycle
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
18
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