参数资料
型号: DK-START-3C25N
厂商: Altera
文件页数: 10/34页
文件大小: 0K
描述: KIT STARTER CYCLONE III EP3C25
产品培训模块: Cyclone® III FPGA
Three Reasons to Use FPGA's in Industrial Designs
特色产品: Cyclone? III FPGA Starter Kit
标准包装: 1
系列: Cyclone® III
类型: FPGA
适用于相关产品: EP3C25
所含物品: 开发板、Quartus?II 网络版、用户指南、参考手册、示意图、布局、BOM 等
产品目录页面: 605 (CN2011-ZH PDF)
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EP3C25F256I7-ND - IC CYCLONE III FPGA 25K 256 FBGA
EP3C25F324I7-ND - IC CYCLONE III FPGA 25K 324 FBGA
EP3C25U256I7-ND - IC CYCLONE III FPGA 25K 256 UBGA
544-2546-ND - IC CYCLONE III FPGA 25K 256 UBGA
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544-2544-ND - IC CYCLONE III FPGA 25K 324 FBGA
544-2543-ND - IC CYCLONE III FPGA 25K 256 FBGA
更多...
其它名称: 544-2370
1–10
Chapter 1: Cyclone III Device Datasheet
Electrical Characteristics
Schmitt Trigger Input
Cyclone III devices support Schmitt trigger input on TDI , TMS , TCK , nSTATUS , nCONFIG ,
nCE , CONF_DONE , and DCLK pins. A Schmitt trigger feature introduces hysteresis to the
input signal for improved noise immunity, especially for signal with slow edge rate.
Table 1–12 lists the hysteresis specifications across supported V CCIO range for Schmitt
trigger inputs in Cyclone III devices.
Table 1–12. Hysteresis Specifications for Schmitt Trigger Input in Cyclone III Devices
Symbol
V SCHMITT
Parameter
Hysteresis for Schmitt trigger
input
Conditions
V CCIO = 3.3 V
V CCIO = 2.5 V
V CCIO = 1.8 V
V CCIO = 1.5 V
Minimum
200
200
140
110
Typical
Maximum
Unit
mV
mV
mV
mV
I/O Standard Specifications
The following tables list input voltage sensitivities (V IH and V IL ), output voltage (V OH
and V OL ), and current drive characteristics (I OH and I OL ) for various I/O standards
supported by Cyclone III devices. Table 1–13 through Table 1–18 provide the I/O
standard specifications for Cyclone III devices.
Table 1–13. Cyclone III Devices Single-Ended I/O Standard Specifications
I/O Standard
Min
V CCIO (V)
Typ
Max
V IL (V)
Min Max
Min
V IH (V)
Max
V OL (V)
Max
V OH (V)
Min
I OL
(mA)
I OH
(mA)
3.3-V LVTTL
3.135
3.3
3.465
0.8
1.7
3.6
0.45
2.4
4
–4
3.3-V LVCMOS
3.135
3.3
3.465
0.8
1.7
3.6
0.2
V CCIO – 0.2
2
–2
3.0-V LVTTL
2.85
3.0
3.15
–0.3
0.8
1.7
V CCIO + 0.3
0.45
2.4
4
–4
3.0-V LVCMOS
2.85
3.0
3.15
–0.3
0.8
1.7
V CCIO + 0.3
0.2
V CCIO – 0.2
0.1
–0.1
2.5-V LVTTL and
LVCMOS (3)
1.8-V LVTTL and
LVCMOS
1.5-V LVCMOS
1.2-V LVCMOS
2.375
1.71
1.425
1.14
2.5
1.8
1.5
1.2
2.625
1.89
1.575
1.26
–0.3
–0.3
–0.3
–0.3
0.7
0.35 *
V CCIO
0.35 *
V CCIO
0.35 *
V CCIO
1.7
0.65 *
V CCIO
0.65 *
V CCIO
0.65 *
V CCIO
3.6
2.25
V CCIO + 0.3
V CCIO + 0.3
0.4
0.45
0.25 *
V CCIO
0.25 *
V CCIO
2.0
V CCIO –
0.45
0.75 *
V CCIO
0.75 *
V CCIO
1
2
2
2
–1
–2
–2
–2
3.0-V PCI
3.0-V PCI-X
2.85
2.85
3.0
3.0
3.15
3.15
0.3 *
V CCIO
0.35*
V CCIO
0.5 *
V CCIO
0.5 *
V CCIO
V CCIO + 0.3 0.1 * V CCIO
V CCIO + 0.3 0.1 * V CCIO
0.9 * V CCIO
0.9 * V CCIO
1.5
1.5
–0.5
–0.5
Notes to Table 1–13 :
(1) For voltage referenced receiver input waveform and explanation of terms used in Table 1–13 , refer to “Single-ended Voltage referenced I/O Standard”
(2) AC load CL = 10 pF.
(3) For more detail about interfacing Cyclone III devices with 3.3/3.0/2.5-V LVTTL/LVCMOS I/O standards, refer to AN 447: Interfacing Cyclone III
July 2012 Altera Corporation
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