74F1763 查看數據表（PDF） - Philips Electronics
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74F1763 Datasheet PDF : 16 Pages
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Philips Semiconductors
Intelligent DRAM controller (IDC)
Product specification
74F1763
AC ELECTRICAL CHARACTERISTICS
NO
PARAMETER
TEST
CONDITIONS
LIMITS
TA = 25_C
VCC = +5.0V "10%
CL = 300pF
RL = 70W
MIN
TYP
MAX
TA = 0_C to +70_C
VCC = +5.0V "10%
CL = 300pF
RL = 70W
MIN
MAX
1 CP clock period (tcp)
10
10
2 CP clock low time
5
5
3 CP clock high time
5
5
4 RCP clock period
100
100
5 RCP clock low time
10
10
6 RCP clock high time
10
10
7 Setup time REQ(#) to CP(")
8 REQ High hold time after CP(")1
9 REQ High pulse width2
4
0
1/2tcp + 5
2
1/2tcp + 5
1/2tcp + 5
4
0
1/2tcp + 5
1/2tcp + 5
10 Propagation delay CP(") to GNT
High
8.5
11
13.5
8.5
15.5
11 Propagation delay REQ(") to GNT
Low
8.5
10.5
13
8.5
14
12 ALE pulse width Low
4
1
4
13 RA0–9, CA0–9 High or Low setup to
2
0
2
ALE(")
14 ALE(") to RA0–9, CA0–9 High or
Low hold
1
0
1
15 Propagation delay RA0–9, CA0–9
High or Low to MA0–93
ALE Low
4
7.5
11
4
14
16 Propagation delay ALE(#) to MA0–9
5.5
8.5
13
5.5
15
17 Propagation delay CP(") to RAS(#)
8.5
10.5
12.5
8.5
14
18 RAS(#) to MA0–9 (column address) HLDROW = 1 1/2tcp – 2 1/2tcp + 2 1/2tcp + 5.5 1/2tcp – 2.5 1/2tcp + 7
skew
19 RAS(#) to MA0–9 (column address) HLDROW = 0
skew
1tcp – 2
1tcp + 2 1tcp + 5.5 1tcp – 2.5
1tcp + 7
20 RAS(#) to RAS(") skew
PAGE = 1
4tcp + 1.5 4tcp + 3.5 4tcp + 6
4tcp + 1 4tcp + 6.5
21 Propagation delay CP(") to RAS(")
12
14
16.5
12
18.5
22 Propagation delay REQ(") to
RAS(")4
14.5
17.5
20
14
24
23 Propagation delay CP(#) to CAS(#)
6
8
10
6
11
24 Propagation delay PAGE(") to
RAS(")4
10
12.5
15
10
17
25 RAS(#) to CAS(#) skew
1.5tcp–4.5 1.5tcp–2.5 1.5tcp–0.5 1.5tcp–5.5 1.5tcp
26 Propagation delay REQ(") to CAS(")
10
12
15
10
17
27 MA0–9 (column address) to CAS(#)
skew
1tcp – 8 1tcp – 4 1tcp – 0.5 1tcp – 9 1tcp – 0.5
28 MA0–9 (column address) to CAS(#) HLDROW = 0 1/2tcp – 8 1/2tcp – 4 1/2tcp – 0.5 1/2tcp – 9 1/2tcp – 0.5
skew
29 Set-up time PAGE(#) to CP(")
2
2
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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ns
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ns
ns
ns
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ns
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1999 Jan 08
7
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