80VA Datasheet, PDF (14/27 Pages) Lattice Semiconductor – In-System Programmable 3.3V Generic Digital CrosspointTM

Specifications ispGDX80VA
Internal Timing Parameters¹
Over Recommended Operating Conditions
PARAMETER #
DESCRIPTION¹
Inputs
t_io
GRP
32 Input Buffer Delay
t_grp
MUX
33 GRP Delay
t_muxd
t_muxexp
t_muxs
t_muxsio
t_muxsg
t_muxselexp
Register
34 I/O Cell MUX A/B/C/D Data Delay
35 I/O Cell MUX A/B/C/D Expander Delay
36 I/O Cell Data Select
37 I/O Cell Data Select (I/O Clock)
38 I/O Cell Data Select (Yx Clock)
39 I/O Cell MUX Data Select Expander Delay
t_iolat
t_iosu
t_ioh
t_ioco
t_ior
t_cesu
t_ceh
Data Path
40 I/O Latch Delay
41 I/O Register Setup Time Before Clock
42 I/O Register Hold Time After Clock
43 I/O Register Clock to Output Delay
44 I/O Reset to Output Delay
45 I/O Clock Enable Setup Time Before Clock
46 I/O Clock Enable Hold Time After Clock
t_fdbk
t_iobp
t_ioob
t_muxcg
t_muxcio
t_iodg
t_iodio
Outputs
47 I/O Register Feedback Delay
48 I/O Register Bypass Delay
49 I/O Register Output Buffer Delay
50 I/O Register A/B/C/D Data Input MUX Delay (Yx Clock)
51 I/O Register A/B/C/D Data Input MUX Delay (I/O Clock)
52 I/O Register I/O MUX Delay (Yx Clock)
53 I/O Register I/O MUX Delay (I/O Clock)
t_ob
t_obs
t_oeen
t_oedis
t_goe
t_toe
Clocks
54 Output Buffer Delay
55 Output Buffer Delay (Slow Slew Option)
56 I/O Cell OE to Output Enable
57 I/O Cell OE to Output Disable
58 GRP Output Enable and Disable Delay
59 Test OE Enable and Disable Delay
t_ioclk
60
t_gclk
61
t_gclkeng
62
t_gclkenio
63
t_ioclkeng
64
Global Reset
I/O Clock Delay
Global Clock Delay
Global Clock Enable (Yx Clock)
Global Clock Enable (I/O Clock)
I/O Clock Enable (Yx Clock)
t_gr
65 Global Reset to I/O Register Latch
1. Internal Timing Parameters are not tested and are for reference only.
2. Refer to the Timing Model in this data sheet for further details.
-3
-5
MIN. MAX. MIN. MAX. UNITS
— 0.4 — 0.9 ns
— 1.1 — 1.1 ns
— 1.0 — 1.5 ns
— 1.5 — 2.0 ns
— 1.0 — 1.5 ns
— 1.5 — 3.0 ns
— 1.5 — 2.0 ns
— 1.5 — 2.0 ns
— 1.0 — 1.0 ns
— 0.8 — 2.0 ns
— 1.7 — 1.5 ns
— 1.2 — 0.5 ns
— 1.0 — 1.5 ns
— 2.3 — 2.0 ns
— 0.2 — 0.5 ns
— 0.6 — 0.9 ns
— 0.0 — 0.0 ns
— 0.0 — 0.0 ns
— 1.5 — 2.0 ns
— 1.5 — 3.0 ns
— 3.5 — 4.0 ns
— 3.5 — 5.0 ns
— 1.0 — 1.5 ns
— 4.5 — 6.5 ns
— 3.5 — 4.0 ns
— 3.5 — 4.0 ns
— 0.0 — 0.0 ns
— 2.5 — 2.0 ns
— 0.3 — 2.0 ns
— 1.3 — 2.0 ns
— 1.5 — 2.5 ns
— 1.0 — 3.5 ns
— 0.5 — 2.5 ns
— 6.0 — 11.0 ns
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