參數(shù)資料
型號: EPF10K50ETC144-1
廠商: Altera
文件頁數(shù): 39/100頁
文件大小: 0K
描述: IC FLEX 10KE FPGA 50K 144-TQFP
產(chǎn)品培訓(xùn)模塊: Three Reasons to Use FPGA's in Industrial Designs
標準包裝: 180
系列: FLEX-10KE®
LAB/CLB數(shù): 360
邏輯元件/單元數(shù): 2880
RAM 位總計: 40960
輸入/輸出數(shù): 102
門數(shù): 199000
電源電壓: 2.3 V ~ 2.7 V
安裝類型: 表面貼裝
工作溫度: 0°C ~ 85°C
封裝/外殼: 144-LQFP
供應(yīng)商設(shè)備封裝: 144-TQFP(20x20)
Altera Corporation
43
FLEX 10KE Embedded Programmable Logic Devices Data Sheet
The VCCINT pins must always be connected to a 2.5-V power supply.
With a 2.5-V VCCINT level, input voltages are compatible with 2.5-V, 3.3-
V, and 5.0-V inputs. The VCCIO pins can be connected to either a 2.5-V or
3.3-V power supply, depending on the output requirements. When the
VCCIO
pins are connected to a 2.5-V power supply, the output levels are
compatible with 2.5-V systems. When the VCCIO pins are connected to a
3.3-V power supply, the output high is at 3.3 V and is therefore compatible
with 3.3-V or 5.0-V systems. Devices operating with VCCIO levels higher
than 3.0 V achieve a faster timing delay of tOD2 instead of tOD1.
Table 14 summarizes FLEX 10KE MultiVolt I/O support.
Notes:
(1)
The PCI clamping diode must be disabled to drive an input with voltages higher
than VCCIO.
(2)
When VCCIO = 3.3 V, a FLEX 10KE device can drive a 2.5-V device that has 3.3-V
tolerant inputs.
Open-drain output pins on FLEX 10KE devices (with a pull-up resistor to
the 5.0-V supply) can drive 5.0-V CMOS input pins that require a VIH of
3.5 V. When the open-drain pin is active, it will drive low. When the pin is
inactive, the trace will be pulled up to 5.0 V by the resistor. The open-drain
pin will only drive low or tri-state; it will never drive high. The rise time
is dependent on the value of the pull-up resistor and load impedance. The
IOL current specification should be considered when selecting a pull-up
resistor.
Power Sequencing & Hot-Socketing
Because FLEX 10KE devices can be used in a mixed-voltage environment,
they have been designed specifically to tolerate any possible power-up
sequence. The VCCIO and VCCINT power planes can be powered in any
order.
Signals can be driven into FLEX 10KE devices before and during power
up without damaging the device. Additionally, FLEX 10KE devices do not
drive out during power up. Once operating conditions are reached,
FLEX 10KE devices operate as specified by the user.
Table 14. FLEX 10KE MultiVolt I/O Support
VCCIO (V)
Input Signal (V)
Output Signal (V)
2.5
3.3
5.0
2.5
3.3
5.0
2.5
vv(1)
v
3.3
vv
vv
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