MT88V32 Просмотр технического описания (PDF) - Mitel Networks
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MT88V32 Datasheet PDF : 14 Pages
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Preliminary Information
MT88V32
AC Electrical Characteristics† - Timing Characteristics- Voltages are with respect to VDD=+5V, VEE=-7V,
VSS=0V, RL=1kΩ, CL=50pF unlesss otherwise stated. Also applicable for VEE=VSS=0, VDD=+12V.
Characteristics
Sym Min Typ‡ Max Units
Test Conditions
1 DATA to STROBE1 setup
2 DATA to STROBE1 hold
3 CS to STROBE1 setup
4 CS to STROBE1 hold
5 ADDRESS to STROBE1 setup
6 ADDRESS to STROBE1 hold
7 STROBE1 pulse width
8 STROBE2 pulse width
9 R/W to STROBE1 setup
10 R/W to STROBE1 hold
11 RESET pulse width
12 CS to High Z
13 CS to DATA output valid
14 STROBE2 to STROBE1 setup
15 STROBE1 to STROBE2 setup
16 MR to switch OPEN delay
50% MR to10% Output
tds1
20
tdh1
10
tcss1
20
tcsh1
20
tass1
20
tash1
20
tspw1 75
tspw2 75
trwss1 20
trwsh1 10
trpw
75
trpw
10
tcsov
ts2s1
0
ts1s2
0
trst
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
200 ns
ns
ns
300 ns
17 R/W to DATA output valid
trwov
150 ns
18 Address to DATA output valid
taov
200 ns
19 R/W to High Z
trwz
10
ns
20 Address to High Z
taz
10
ns
21 STROBE2 to switch status delay
50% strobe to10% output change
tstrobe2(on) tson
tstrobe2(off) tsoff
100 300 ns
100 300 ns
† Timing is over recommended temperature range with VIH=5V, VIL=0V, VOH=2.4V, VOL=0.8V, RL=3kΩ (DATA) and RL=1kΩ (analog).
‡ Typical figures are at 25°C and are for design aid only; not guaranteed and not subject to production testing.
3-63
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