Lattice Semiconductor ispXPGA Family Data Sheet
41
ispXPGA 500B/C & ispXPGA 500EB/EC PIC Timing Parameters
Reset/Set
t
LASSRO
Asynchronous Set/Reset to Output — 1.09 — 1.17 — 1.35 ns
t
LASSRPW
Asynchronous Set/Reset Pulse Width 4.19 — 4.50 — 5.18 — ns
t
LASSRR
Asynchronous Set/Reset Recovery — 0.51 — 0.55 — 0.63 ns
t
LSSR_S
Synchronous Set/Reset Setup Time -0.03 — -0.03 — -0.03 — ns
t
LSSR_H
Synchronous Set/Reset Hold Time 0.03 — 0.03 — 0.03 — ns
1. Only available for ispXPGA 500B and ispXPGA 500EB (2.5V/3.3V) devices. Timing v.0.3
2. t
LCTHRUL
quoted bit by bit.
Parameter Description
-5
1
-4 -3
UnitsMin. Max. Min. Max. Min. Max.
Register/Latch Delays
t
IO_CO
Register Clock to Output Delay — 1.00 — 1.07 — 1.23 ns
t
IO_S
Register Setup Time (Data before Clock) 0.05 — 0.05 — 0.06 — ns
t
IO_H
Register Hold Time (Data after Clock) 0.06 — 0.06 — 0.07 — ns
t
IOCE_S
Register Clock Enable Setup Time -0.03 — -0.03 — -0.03 — ns
t
IOCE_H
Register Clock Enable Hold Time 0.13 0.13 — 0.15 — ns
t
IO_GO
Latch Gate to Output Delay — 0.78 — 0.84 — 0.97 ns
t
IOL_S
Latch Setup Time 0.05 — 0.05 — 0.06 — ns
t
IOL_H
Latch Hold Time 0.06 — 0.06 — 0.07 — ns
t
IOLPD
Latch Propagation Delay (Transparent Mode) — 0.09 — 0.10 — 0.12 ns
t
IOASRO
Asynchronous Set/Reset to Output — 1.11 — 1.19 — 1.37 ns
t
IOASRPW
Asynchronous Set/Reset Pulse Width 4.19 — 4.50 — 5.18 — ns
t
IOASRR
Asynchronous Set/Reset Recovery Time — 0.23 — 0.25 — 0.29 ns
Input/Output Delays
t
IOBUF
Output Buffer Delay — 0.98 — 1.05 — 1.21 ns
t
IOIN
Input Buffer Delay — 0.65 — 0.70 — 0.81 ns
t
IOEN
Output Enable Delay — 0.52 — 0.56 — 0.64 ns
t
IODIS
Output Disable Delay — -0.12 — -0.11 — -0.09 ns
t
IOFT
Feed-thru Delay — 0.19 — 0.20 — 0.23 ns
1. Only available for ispXPGA 500B and ispXPGA 500EB (2.5V/3.3V) devices. Timing v.0.3
ispXPGA 500B/C & ispXPGA 500EB/EC PFU Timing Parameters (Cont.)
Over Recommended Operating Conditions
Parameter Description
-5
1
-4 -3
UnitsMin. Max. Min. Max. Min. Max.
