參數(shù)資料
型號: XCV812E-7FG556C
廠商: Xilinx, Inc.
英文描述: Virtex-E 1.8 V Extended Memory Field Programmable Gate Arrays
中文描述: 的Virtex娥內(nèi)存擴展1.8伏現(xiàn)場可編程門陣列
文件頁數(shù): 61/116頁
文件大小: 1087K
代理商: XCV812E-7FG556C
Virtex-E 1.8 V Extended Memory Field Programmable Gate Arrays
DS025-3 (v2.2) July 17, 2002
www.xilinx.com
1-800-255-7778
Module 3 of 4
7
R
IOB Output Switching Characteristics,
Figure 1
Output delays terminating at a pad are specified for LVTTL with 12 mA drive and fast slew rate. For other standards, adjust
the delays with the values shown in
‘‘IOB Output Switching Characteristics Standard Adjustments’’ on page 8
..
Speed Grade
(2)
-8
Units
Description
(1)
Symbol
Min
3
-7
-6
Propagation Delays
O input to Pad
T
IOOP
T
IOOLP
1.04
2.5
2.7
2.9
ns, max
O input to Pad via transparent latch
1.24
2.9
3.1
3.4
ns, max
3-State Delays
T input to Pad high-impedance (Note 2)
T
IOTHZ
T
IOTON
0.73
1.5
1.7
1.9
ns, max
T input to valid data on Pad
1.13
2.7
2.9
3.1
ns, max
T input to Pad high-impedance via transparent
latch (Note 2)
T
IOTLPHZ
0.86
1.8
2.0
2.2
ns, max
T input to valid data on Pad via transparent latch
T
IOTLPON
T
GTS
1.26
3.0
3.2
3.4
ns, max
GTS to Pad high impedance (Note 2)
1.94
4.1
4.6
4.9
ns, max
Sequential Delays
Clock CLK to Pad
T
IOCKP
0.97
2.4
2.8
2.9
ns, max
Clock CLK to Pad high-impedance (synchronous)
(Note 2)
T
IOCKHZ
0.77
1.6
2.0
2.2
ns, max
Clock CLK to valid data on Pad (synchronous)
T
IOCKON
1.17
2.8
3.2
3.4
ns, max
Setup and Hold Times before/after Clock CLK
O input
T
IOOCK
/
T
IOCKO
T
IOOCECK
/
T
IOCKOCE
T
IOSRCKO
/
T
IOCKOSR
T
IOTCK
/
T
IOCKT
T
IOTCECK
/
T
IOCKTCE
T
IOSRCKT
/
T
IOCKTSR
0.43 / 0
0.9 / 0
1.0 / 0
1.1 / 0
ns, min
OCE input
0.28 / 0
0.55 / 0.01
0.7 / 0
0.7 / 0
ns, min
SR input (OFF)
0.40 / 0
0.8 / 0
0.9 / 0
1.0 / 0
ns, min
3-State Setup Times, T input
0.26 / 0
0.51 / 0
0.6 / 0
0.7 / 0
ns, min
3-State Setup Times, TCE input
0.30 / 0
0.6 / 0
0.7 / 0
0.8 / 0
ns, min
3-State Setup Times, SR input (TFF)
0.38 / 0
0.8 / 0
0.9 / 0
1.0 / 0
ns, min
Set/Reset Delays
SR input to Pad (asynchronous)
T
IOSRP
1.30
3.1
3.3
3.5
ns, max
SR input to Pad high-impedance (asynchronous)
(Note 2)
T
IOSRHZ
1.08
2.2
2.4
2.7
ns, max
SR input to valid data on Pad (asynchronous)
T
IOSRON
T
IOGSRQ
1.48
3.4
3.7
3.9
ns, max
GSR to Pad
3.88
7.6
8.5
9.7
ns, max
Notes:
1.
A Zero “0” Hold Time listing indicates no hold time or a negative hold time. Negative values can not be guaranteed “best-case”, but
if a “0” is listed, there is no positive hold time.
3-state turn-off delays should not be adjusted.
2.
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