X17256256DD8B
| Model | X17256256DD8B |
| Description | QPRO Family of XC1700D QML Configuration PROMs |
| PDF file | Total 10 pages (File size: 104K) |
| Chip Manufacturer | XILINX |
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QPRO Family of XC1700D QML Configuration PROMs
AC Characteristics Over Operating Condition
(1,2)
CE
TSCE
TSCE
THCE
RESET/OE
TLC
THC
THOE
TCYC
CLK
TOE
TCE
TCAC
TOH
TDF
DATA
TOH
DS027_03_021500
XC1736D
XC1765D
Symbol
T
OE
T
CE
T
CAC
T
OH
T
DF
T
CYC
T
LC
T
HC
T
SCE
T
HCE
T
HOE
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)
Description
Min
-
-
-
0
-
200
100
100
25
0
100
Max
45
60
150
-
50
-
-
-
-
-
-
XC17128D
XC17256D
Min
-
-
-
0
-
80
20
20
20
0
20
Max
25
45
50
-
50
-
-
-
-
-
-
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes:
1. AC test load = 50 pF
2. All AC parameters are measured with V
IL
= 0.0V and V
IH
= 3.0V.
3. Guaranteed by design, not tested.
4. Float delays are measured with 5 pF AC loads. Transition is measured at ±200mV from steady state active levels.
DS070 (v2.1) June 1, 2000
Product Specification
1-800-255-7778
7
