XQR1701LCC44M Datasheet, PDF (8/11 Pages) Xilinx, Inc – Cascadable for storing longer or multiple bitstreams

QPro Series Configuration PROMs (XQ) including Radiation-Hardened Series (XQR)
R
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
XQ(R)1701L
Symbol
Description
Min Max
T_OE
OE to data delay
-
30
T_CE
CE to data delay
-
45
T_CAC
T_DF
T_OH
CLK to data delay
CE or OE to data float delay^(2,3)
Data hold from CE, OE, or CLK⁽³⁾
-
45
-
50
0
-
T_CYC
T_LC
T_HC
Clock periods
CLK Low time⁽³⁾
CLK High time⁽³⁾
67
-
25
-
25
-
T_SCE CE setup time to CLK (to guarantee proper counting)
25
-
T_HCE CE hold time to CLK (to guarantee proper counting)
0
-
T_HOE OE hold time (guarantees counters are reset)
25
-
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.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
8
www.xilinx.com
DS062 (v3.1) November 5, 2001
1-800-255-7778
Preliminary Product Specification