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1032E1111 Datasheet, PDF (6/16 Pages) Lattice Semiconductor – High-Density Programmable Logic
Specifications ispLSI and pLSI 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.) –
fmax (Tog.) –
tsu1
–
1 Data Propagation Delay, 4PT Bypass, ORP Bypass – 10.0 – 12.0 – 15.0 ns
2 Data Propagation Delay, Worst Case Path
– 12.5 – 15.0 – 17.5 ns
3 Clock Frequency with Internal Feedback 3
90.0 – 80.0 – 70.0 –
4
Clock
Frequency
with
External
Feedback
(
1
tsu2 +
) tco1
69.0
– 61.0
–
56.0
–
5
Clock
Frequency,
Max.
Toggle
(
1
twh +
) tw1
125 – 111 – 100 –
6 GLB Reg. Setup Time before Clock,4 PT Bypass 7.5 – 8.5 – 9.0 –
MHz
MHz
MHz
ns
tco1
A 7 GLB Reg. Clock to Output Delay, ORP Bypass
– 6.0 – 6.5 – 7.0 ns
th1
– 8 GLB Reg. Hold Time after Clock, 4 PT Bypass
0.0 – 0.0 – 0.0 –
ns
tsu2
tco2
th2
tr1
trw1
tptoeen
tptoedis
tgoeen
tgoedis
twh
twl
– 9 GLB Reg. Setup Time before Clock
8.5 – 10.0 – 11.0 –
ns
– 10 GLB Reg. Clock to Output Delay
– 7.0 – 7.5 – 8.0 ns
– 11 GLB Reg. Hold Time after Clock
0.0 – 0.0 – 0.0 –
ns
A 12 Ext. Reset Pin to Output Delay
– 13.5 – 14.0 – 15.0 ns
– 13 Ext. Reset Pulse Duration
6.5 – 8.0 – 10.0 –
ns
B 14 Input to Output Enable
– 15.0 – 16.5 – 18.0 ns
C 15 Input to Output Disable
– 15.0 – 16.5 – 18.0 ns
B 16 Global OE Output Enable
– 9.0 – 10.0 – 12.0 ns
C 17 Global OE Output Disable
– 9.0 – 10.0 – 12.0 ns
– 18 External Synchronous Clock Pulse Duration, High 4.0 – 4.5 – 5.0 –
ns
– 19 External Synchronous Clock Pulse Duration, Low 4.0 – 4.5 – 5.0 –
ns
tsu3
– 20 I/O Reg. Setup Time before Ext. Sync Clock (Y2, Y3) 3.5 – 3.5 – 4.0 –
ns
th3
– 21 I/O Reg. Hold Time after Ext. Sync. Clock (Y2, Y3) 0.0 – 0.0 – 0.0 –
ns
1. Unless noted otherwise, all parameters use the GRP, 20 PTXOR path, ORP and Y0 clock.
2. Refer to Timing Model in this data sheet for further details.
3. Standard 16-bit counter using GRP feedback.
4. Reference Switching Test Conditions section.
Table 2-0030B/1032E
6