参数资料
型号: LFXP20E-5FN484C
厂商: LATTICE SEMICONDUCTOR CORP
元件分类: FPGA
中文描述: FPGA, 2464 CLBS, PBGA484
封装: 23 X 23 MM, LEAD FREE, FPBGA-484
文件页数: 85/130页
文件大小: 1312K
代理商: LFXP20E-5FN484C
3-27
DC and Switching Characteristics
Lattice Semiconductor
LatticeXP Family Data Sheet
Flash Download Time
JTAG Port Timing Specifications
Over Recommended Operating Conditions
Figure 3-12. JTAG Port Timing Waveforms
Symbol
Parameter
Min.
Typ.
Max.
Units
tREFRESH
PROGRAMN Low-to-
High. Transition to Done
High.
LFXP3
1.1
1.7
ms
LFXP6
1.4
2.0
ms
LFXP10
0.9
1.5
ms
LFXP15
1.1
1.7
ms
LFXP20
1.3
1.9
ms
Symbol
Parameter
Min.
Max.
Units
fMAX
—25
MHz
tBTCP
TCK [BSCAN] clock pulse width
40
ns
tBTCPH
TCK [BSCAN] clock pulse width high
20
ns
tBTCPL
TCK [BSCAN] clock pulse width low
20
ns
tBTS
TCK [BSCAN] setup time
10
ns
tBTH
TCK [BSCAN] hold time
8
ns
tBTRF
TCK [BSCAN] rise/fall time
50
ns
tBTCO
TAP controller falling edge of clock to valid output
10
ns
tBTCODIS
TAP controller falling edge of clock to valid disable
10
ns
tBTCOEN
TAP controller falling edge of clock to valid enable
10
ns
tBTCRS
BSCAN test capture register setup time
8
ns
tBTCRH
BSCAN test capture register hold time
25
ns
tBUTCO
BSCAN test update register, falling edge of clock to valid output
25
ns
tBTUODIS
BSCAN test update register, falling edge of clock to valid disable
25
ns
tBTUPOEN
BSCAN test update register, falling edge of clock to valid enable
25
ns
Timing v.F0.11
TMS
TDI
TCK
TDO
Data to be
captured
from I/O
Data to be
driven out
to I/O
a
t
a
D
d
il
a
V
a
t
a
D
d
il
a
V
a
t
a
D
d
il
a
V
a
t
a
D
d
il
a
V
Data Captured
tBTCPH
tBTCPL
tBTCOEN
tBTCRS
tBTUPOEN
tBUTCO
tBTUODIS
tBTCRH
tBTCO
tBTCODIS
tBTS
tBTH
tBTCP
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