XC18V00 Datasheet, PDF (15/21 Pages) Xilinx, Inc – XC18V00 Series In-System

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XC18V00 Series In-System Programmable Configuration PROMs
AC Characteristics Over Operating Conditions for XC18V04 and XC18V02
CE
OE/RESET
CLK
DATA
TSCE
TOE
TCE
TLC
THC
TCAC
THCE
TCYC
THOE
TOH
TDF
TOH
DS026_06_012000
Symbol
Description
Min
Max
T_OE
OE/RESET to data delay
-
10
T_CE
CE to data delay
-
20
T_CAC
CLK to data delay
-
20
T_OH
Data hold from CE, OE/RESET, or CLK
T_DF
CE or OE/RESET to data float delay⁽²⁾
0
-
-
25
T_CYC
T_LC
T_HC
T_SCE
Clock periods
CLK Low time⁽³⁾
CLK High time⁽³⁾
CE setup time to CLK (guarantees proper counting)⁽³⁾
50
-
10
-
10
-
25
-
T_HCE
CE High time (guarantees counters are reset)
250
-
T_HOE
OE/RESET hold time (guarantees counters are reset)
250
-
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.
5. If T_HCE High < 2 µs, T_CE = 2 µs.
6. If T_HCE Low < 2 µs, T_OE = 2 µs.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS026 (v4.0) June 11, 2003
www.xilinx.com
15
Product Specification
1-800-255-7778