参数资料
型号: LFEC20E-5FN484C
厂商: Lattice Semiconductor Corporation
文件页数: 126/163页
文件大小: 0K
描述: IC FPGA 19.7KLUTS 360I/O 484-BGA
标准包装: 60
系列: EC
逻辑元件/单元数: 19700
RAM 位总计: 434176
输入/输出数: 360
电源电压: 1.14 V ~ 1.26 V
安装类型: 表面贴装
工作温度: 0°C ~ 85°C
封装/外壳: 484-BBGA
供应商设备封装: 484-FPBGA(23x23)
3-29
DC and Switching Characteristics
LatticeECP/EC Family Data Sheet
JTAG Port Timing Specifications
Over Recommended Operating Conditions
Figure 3-20. JTAG Port Timing Waveforms
Symbol
Parameter
Min
Max
Units
fMAX
TCK clock frequency
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
8
ns
tBTH
TCK [BSCAN] hold time
10
ns
tBTRF
TCK [BSCAN] rise/fall time
50
mV/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.G 0.30
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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