參數(shù)資料
型號(hào)： LC5256MV-5F256I
廠商： Lattice Semiconductor Corporation
文件頁(yè)數(shù)： 16/99頁(yè)
文件大?。?/td> 0K
描述： IC XPLD 256MC 5NS 256FPBGA
標(biāo)準(zhǔn)包裝： 90
系列： ispXPLD® 5000MV
可編程類型： 系統(tǒng)內(nèi)可編程
最大延遲時(shí)間 tpd(1)： 5.0ns
電壓電源 - 內(nèi)部： 3 V ~ 3.6 V
邏輯元件/邏輯塊數(shù)目： 8
宏單元數(shù)： 256
輸入/輸出數(shù)： 141
工作溫度： -40°C ~ 105°C
安裝類型： 表面貼裝
封裝/外殼： 256-BGA
供應(yīng)商設(shè)備封裝： 256-FPBGA（17x17）
包裝： 托盤
Lattice Semiconductor
ispXPLD 5000MX Family Data Sheet
19
Table 12. ispXPLD 5000MX Supported I/O Standards
Table 13. Differential Interface Standard Support
1
Control, Clock, sysCONFIG and JTAG Signals
Global clock pins support the same sysIO standards as general purpose I/O. When required the VREF signal is
derived from the adjacent bank. When differential standards are supported two adjacent clock pins are paired to
form the input. The TOE, PROGRAM, CFG0 and DONE pins of the ispXPLD 5000MX device are the only pins that
do not have sysIO capabilities. The JTAG TAP pins support only LVCMOS 3.3, 2.5 and 1.8V standards. The voltage
is controlled by VCCJ. These pins only support the LVTTL and LVCMOS standards applicable to the power supply
voltage of the device. The global reset global output enable pins are associated with Bank 2 and support all of the
sysIO standards.
Hotsocketing
The I/O on the ispXPLD 5000MX devices are well suited for those applications that require hot socketing capability,
when configured as LVCMOS or LVTTL. Hot socketing a device requires that the device, when powered down, can
tolerate active signals on the I/Os and inputs without being damaged. Additionally, it requires that the effects of the
powered-down device be minimal on active signals.
Programmable Drive Strength
The drive strength of I/Os that are programmed as LVCMOS is tightly controlled and can be programmed to a vari-
ety of different values. Thus the impedance an output driver can be closely match to the characteristic impedance
of the line it is driving. This allows users to eliminate the need for external series termination resistors.
sysIO Standard
Nominal VCCO
Nominal VREF
Nominal VTT
LVTTL
3.3V
N/A
LVCMOS-3.3
3.3V
N/A
LVCMOS-2.5
2.5V
N/A
LVCMOS-1.8
1.8V
N/A
PCI 3.3V
3.3V
N/A
AGP-1X
3.3V
N/A
SSTL3, Class I & II
3.3V
1.5V
SSTL2, Class I & II
2.5V
1.25V
CTT 3.3
3.3V
1.5V
CTT 2.5
2.5V
1.25V
HSTL, Class I
1.5V
0.75V
HSTL, Class III
1.5V
0.9V
0.75V
HSTL, Class IV
1.5V
0.9V
0.75V
GTL+
N/A
1.0V
1.5V
LVPECL, Differential
2.5V, 3.3V
N/A
LVDS
2.5V, 3.3V
N/A
sysIO Buffer
LVDS
Driver
Supported
Receiver
Supported with standard termination
LVPECL
Driver
Supported with external resistor network
Receiver
Supported with termination
1. For more information, refer to TN1000 – sysIO Usage Guidelines for Lattice Devices.
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