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參數(shù)資料
| 型號(hào)： | XC4028XLA |
| 廠商： | Xilinx, Inc. |
| 英文描述： | Field Programmable Gate Arrays(現(xiàn)場(chǎng)可編程門陣列) |
| 中文描述： | 現(xiàn)場(chǎng)可編程門陣列（現(xiàn)場(chǎng)可編程門陣列） |
| 文件頁(yè)數(shù)： | 2/16頁(yè) |
| 文件大?。?/td> | 72K |
| 代理商： | XC4028XLA |
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XC4000XLA/XV FIeld Programmable Gate Arrays
6-172
DS004 (v. 1.3) October 4, 1999 - Product Specification
DC Characteristics Over Recommended Operating Conditions
Power-On Power Supply Requirements
Xilinx FPGAs require a minimum rated power supply current capacity to insure proper initialization, and the power supply
ramp rate does affect the current required. A fast ramp rate requires more current than a slow ramp rate. The slowest ramp
rate is 50 ms with no specifications for a ramp rate faster than 2 ms.
Symbol
Description
Min
Max
Units
V
OH
High-level output voltage @ I
OH
= -4.0 mA, V
CC
min (LVTTL)
High-level output voltage @ I
OH
= -500
μ
A, (LVCMOS)
Low-level output voltage @ I
OL
= 24.0 mA, V
CC
min (LVTTL) (Note 1)
Low-level output voltage @ I
OL
= 1500
μ
A, (LVCMOS)
Data Retention Supply Voltage (below which configuration data may be lost)
2.4
V
90% V
CC
V
V
OL
0.4
V
10% V
CC
V
V
DR
I
CCO
I
L
2.5
V
Quiescent FPGA supply current (Note 2)
10
mA
Input or output leakage current
-10
+10
μ
A
C
IN
Input capacitance (sample tested)
BGA, SBGA, PQ, HQ, MQ packages
10
pF
PGA packages
16
pF
I
RPU
I
RPD
I
RLL
Pad pull-up (when selected) @ V
in
= 0 V (sample tested)
Pad pull-down (when selected) @ V
in
= 3.6 V (sample tested)
Horizontal Longline pull-up (when selected) @ logic Low
0.02
0.25
mA
0.02
0.15
mA
0.3
2.0
mA
Notes: 1. With up to 64 pins simultaneously sinking 24 mA
2. With no output current loads, no active input or Longline pull-up resistors, all I/O pins Tri-stated and floating
Product
Description
Ramp Rate
Fast (120
μ
s)
500 mA
Slow (50 ms)
500 mA
XC4000XLA Family
Minimum required current supply
Notes: Fast condition is tested at factory only. Slow condition is tested at both wafer sort and factory.
All limits are based on VCC TRIP setting. Peak current is not measured. Devices are guaranteed to initialize properly with the
minimum current listed above. A larger capacity power supply may result in a larger initialization current.
This specification applies to Commercial and Industrial grade products only.
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