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XC1700E Datasheet, PDF (9/12 Pages) Xilinx, Inc – XC1700E and XC1700L Series
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XC1700E and XC1700L Series Configuration PROMs
AC Characteristics Over Operating Condition
CE
RESET/OE
CLK
DATA
TSCE
TOE
TCE
TLC
THC
TCAC
TSCE
TCYC
THOE
TOH
TDF
THCE
TOH
DS027_03_021500
XC1701,
XC17128E,
XC17256E
XC17128EL,
XC17256EL,
XC1704L,
XC1702L,
XC1701L,
XC17512L
XC1736E,
XC1765E
XC1765EL
Symbol
Description
Min Max Min Max Min Max Min Max Units
TOE
TCE
TCAC
TDF
TOH
TCYC
TLC
THC
TSCE
OE to data delay
CE to data delay
CLK to data delay
CE or OE to data float delay(2,3)
Data hold from CE, OE, or CLK(3)
Clock periods
CLK Low time(3)
CLK High time(3)
CE setup time to CLK
(to guarantee proper counting)
- 25
-
30
- 45 - 40 ns
- 45
-
45
- 60 - 60 ns
- 45
-
45
- 80 - 200 ns
- 50
-
50
- 50 - 50 ns
0
-
0
-
0
-
0
-
ns
67 -
67
- 100 - 400 -
ns
20 -
25
-
50 - 100 -
ns
20 -
25
-
50 - 100 -
ns
20 -
25
-
25 - 40 -
ns
THCE CE hold time to CLK
(to guarantee proper counting)
0
-
0
-
0
-
0
-
ns
THOE OE hold time
(guarantees counters are reset)
20 -
25
- 100 - 100 -
ns
Notes:
1. AC test load = 50 pF
2. Float delays are measured with 5 pF AC loads. Transition is measured at ±200 mV from steady state active levels.
3. Guaranteed by design, not tested.
4. All AC parameters are measured with VIL = 0.0V and VIH = 3.0V.
DS027 (v3.1) July 5, 2000
www.xilinx.com
9
Product Specification
1-800-255-7778
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