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1032E Datasheet, PDF (6/16 Pages) Lattice Semiconductor – In-System Programmable High Density PLD | |||
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Specifications ispLSI 1032E
External Timing Parameters
Over Recommended Operating Conditions
PARAMETER TEST 4 #2
COND.
DESCRIPTION1
-90
-80
-70
UNITS
MIN. MAX. MIN. MAX. MIN. MAX.
tpd1
A
tpd2
A
fmax (Int.) A
fmax (Ext.) â
fmax (Tog.) â
tsu1
â
tco1
A
th1
â
tsu2
â
tco2
â
th2
â
tr1
A
trw1
â
1
2
3
4
5
6
7
8
Data Propagation Delay, 4PT Bypass, ORP Bypass â 10.0 â 12.0 â 15.0
Data Propagation Delay, Worst Case Path
â 12.5 â 15.0 â 17.5
S Clock Frequency with Internal Feedback 3
90.0 â 80.0 â 70.0 â
N Clock
Frequency
with
External
Feedback
(
1
tsu2 +
) tco1
69.0
â 61.0
â
56.0
â
IG Clock
Frequency,
Max.
Toggle
(
1
twh +
) tw1
125 â 111 â 100 â
GLB Reg. Setup Time before Clock,4 PT Bypass 7.5 â 8.5 â 9.0 â
S GLB Reg. Clock to Output Delay, ORP Bypass
â 6.0 â 6.5 â 7.0
DE GLB Reg. Hold Time after Clock, 4 PT Bypass
0.0 â 0.0 â 0.0 â
ns
ns
MHz
MHz
MHz
ns
ns
ns
9 GLB Reg. Setup Time before Clock
8.5 â 10.0 â 11.0 â
ns
10 GLB Reg. Clock to Output Delay
11 GLB Reg. Hold Time after Clock
12 Ext. Reset Pin to Output Delay
13 Ext. Reset Pulse Duration
â 7.0 â
W 0.0 â 0.0
Eâ 13.5 â
N6.5 â 8.0
7.5
â
14.0
â
â 8.0
0.0 â
â 15.0
10.0 â
ns
ns
ns
ns
tptoeen
tptoedis
tgoeen
tgoedis
B 14 Input to Output Enable
C 15 Input to Output Disable
B 16 Global OE Output Enable
C 17 Global OE Output Disable
â
Râ
Oâ
Fâ
15.0
15.0
9.0
9.0
â
â
â
â
16.5
16.5
10.0
10.0
â 18.0
â 18.0
â 12.0
â 12.0
ns
ns
ns
ns
twh
â 18 External Synchronous Clock Pulse Duration, High 4.0 â 4.5
A twl
â 19 External Synchronous Clock Pulse Duration, Low 4.0 â 4.5
E tsu3
â 20 I/O Reg. Setup Time before Ext. Sync Clock (Y2, Y3) 3.5 â 3.5
2 th3
â 21 I/O Reg. Hold Time after Ext. Sync. Clock (Y2, Y3) 0.0 â 0.0
3 1. Unless noted otherwise, all parameters use the GRP, 20 PTXOR path, ORP and Y0 clock.
0 2. Refer to Timing Model in this data sheet for further details.
1 3. Standard 16-bit counter using GRP feedback.
ispLSI 4. Reference Switching Test Conditions section.
â
â
â
â
5.0 â
ns
5.0 â
ns
4.0 â
ns
0.0 â
ns
Table 2-0030B/1032E
USE
6
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