ACT15530LS Просмотр технического описания (PDF) - Aeroflex Corporation
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ACT15530LS Datasheet PDF : 15 Pages
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AC Characteristics
Sym
Parameter
Limits
Min Max Units
fEC Encoder clock frequency
0
15
MHz
fESC Send clock frequency
0
2.5
MHz
tECR Encoder clock rise time
-
8
ns
tECF Encoder clock fall time
-
8
ns
fED Data rate
0
1.25
MHz
tMR Master reset pulse width
150
-
ns
tE1 Shift clock delay
-
125
ns
tE2 Serial data setup time
75
-
ns
tE3 Serial data hold time
75
-
ns
tE4 Enable setup time
90
-
ns
tE5 Enable pulse width
100
-
ns
tE6 Sync setup time
55
-
ns
tE7 Sync pulse width
150
-
ns
tE8 Send data delay
0
50
ns
tE9 Bipolar output delay
-
130
ns
1. VDD = 5V ±10%, over full operating temperature range. 2. CL=50pF.
Figure 7: Encoder Electrical
Characteristics
Sym
Parameter
Limits
Min
Typ
Max
fDC Decoder clock frequency
0
-
15
tDCR Decoder clock rise time
-
-
8
tDCF Decoder clock fall time
-
-
8
fDD Data rate
0
-
1.25
tDR Decoder reset pulse width 150
-
-
tDRS Decoder reset setup time
75
-
-
tMR Master reset pulse width
150
-
-
tD1 Bipolar data pulse width tDC + 10
-
-
tD2 Sync transition span
-
18tDC
-
tD3 One-Zero overlap
-
-
tDC - 10
tD4 Short data transition span
-
6tDC
-
tD5 Long data transition span
-
12tDC
-
tD6 Sync delay (on)
-20
-
110
tD7 Take data delay (on)
0
-
110
tD8 Serial data out delay
-
-
80
tD9 Sync delay (off)
0
-
110
tD10 Take data delay (off)
0
-
110
tD11 Valid word delay
0
-
110
1. VDD = 5V ±10%, over full operating temperature range. 2. CL=50pF.
3. tDC = Decoder clock period = 1/fDC
Units
MHz
MHz
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Figure 8: Decoder Electrical
Characteristics
Aeroflex Circuit Technology
5
SCD15530 REV B 7/28/99 Plainview NY (516) 694-6700
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