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DS670 Datasheet, PDF (8/11 Pages) Xilinx, Inc – Low-power CMOS EPROM process
QPRO Family of XC1700E Configuration PROMs
AC Characteristics Over Operating Condition
X-Ref Target - Figure 3
CE
RESET/OE
CLK
DATA
TSCE
TOE
TCE
TLC
THC
TCAC
TSCE
TCYC
THOE
TOH
TDF
THCE
TOH
Figure 3: AC Characteristics Over Operating Condition
DS070_03_111010
Table 8: AC Characteristics Over Operating Condition(1)(2)
Symbol
Description
XC1765E
Min Max
XC17256E
Min Max
TOE
TCE
TCAC
TOH
TDF
TCYC
TLC
THC
TSCE
THCE
THOE
OE to data delay
CE to data delay
CLK to data delay
Data hold from CE, OE, or CLK(3)
CE or OE to data float delay(3)(4)
Clock periods
CLK Low time(3)
CLK High time(3)
CE setup time to CLK (to guarantee proper counting)
CE hold time to CLK (to guarantee proper counting)
OE hold time (guarantees counters are reset)
–
45
–
25
–
60
–
45
–
150
–
50
0
–
0
–
–
50
–
50
200
–
80
–
100
–
20
–
100
–
20
–
25
–
20
–
0
–
0
–
100
–
20
–
Notes:
1. AC test load = 50 pF
2. All AC parameters are measured with VIL = 0.0V and VIH = 3.0V.
3. Guaranteed by design, not tested.
4. Float delays are measured with 5 pF AC loads. Transition is measured at ±200 mV from steady state active levels.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS670 (v1.0) December 3, 2010
www.xilinx.com
Product Specification
8