LC4000C LATTICE [Lattice Semiconductor], LC4000C Datasheet - Page 38

• Manufacturer Part Number: LC4000C
• Description: 3.3V/2.5V/1.8V In-System Programmable SuperFAST High density PDLs
• Manufacturer: LATTICE [Lattice Semiconductor]

ispMACH 4000Z Timing Adders (Cont.)
Lattice Semiconductor
Optional Delay Adders
t
t
t
t
t
LVTTL_in
LVCMOS33_in
LVCMOS25_in
LVCMOS18_in
PCI_in
t
LVTTL_out
LVCMOS33_out t
LVCMOS25_out t
LVCMOS18_out t
PCI_out
Slow Slew
Note: Open drain timing is the same as corresponding LVCMOS timing.
1. Refer to Technical Note TN 1004, ispMACH 4000 Timing Model Design and Usage Guidelines for information regarding use of these
INDIO
EXP
ORP
BLA
IOI
IOO
adders.
Input Adjusters
Output Adjusters
Adder
Type
t
t
—
t
t
t
t
t
t
t
t
t
INREG
MCELL
ROUTE
IN,
IN,
IN,
IN,
IN,
BUF,
BUF,
BUF,
BUF,
BUF,
BUF,
t
t
t
t
t
Parameter
GCLK_IN,
GCLK_IN,
GCLK_IN,
GCLK_IN,
GCLK_IN,
t
t
t
t
t
t
EN,
EN,
EN,
EN,
EN,
EN
Base
t
t
t
t
t
DIS
DIS
DIS
DIS
DIS
t
t
t
t
t
GOE
GOE
GOE
GOE
GOE
Input register delay
Product term expander
delay
Output routing pool
delay
Additional block load-
ing adder
Using LVTTL standard
Using LVCMOS 3.3
standard
Using LVCMOS 2.5
standard
Using LVCMOS 1.8
standard
Using PCI compatible
input
Output configured as
TTL buffer
Output configured as
3.3V buffer
Output configured as
2.5V buffer
Output configured as
1.8V buffer
Output configured as
PCI compatible buffer
Output configured for
slow slew rate
Description
38
1
Min.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
ispMACH 4000V/B/C/Z Family Data Sheet
-45
Max.
1.30
0.45
0.40
0.05
0.60
0.60
0.60
0.00
0.60
0.20
0.20
0.10
0.00
0.20
1.00
Min.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-5
Max.
1.30
0.45
0.40
0.05
0.60
0.60
0.60
0.00
0.60
0.20
0.20
0.10
0.00
0.20
1.00
Min.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-75
Max.
1.30
0.50
0.40
0.05
0.60
0.60
0.60
0.00
0.60
0.20
0.20
0.10
0.00
0.20
1.00
Timing v.2.2
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns