XQR1701LCC44M Datasheet, PDF (9/11 Pages) Xilinx, Inc – Cascadable for storing longer or multiple bitstreams

R
QPro Series Configuration PROMs (XQ) including Radiation-Hardened Series (XQR)
AC Characteristics Over Operating Condition When Cascading
RESET/OE
CE
CLK
DATA
CEO
T_CDF
Last Bit
T_OCK
T_OCE
T_OOE
First Bit
T_OCE
DS027_04_021500
Symbol
Description
Min
Max
Units
T_CDF
T_OCK
T_OCE
T_OOE
CLK to data float delay^(2,3)
CLK to CEO delay⁽³⁾
CE to CEO delay⁽³⁾
RESET/OE to CEO delay⁽³⁾
-
50
ns
-
30
ns
-
35
ns
-
30
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 V_IL = 0.0V and V_IH = 3.0V.
DS062 (v3.1) November 5, 2001
www.xilinx.com
9
Preliminary Product Specification
1-800-255-7778