R
Platform Flash In-System Programmable Configuration PROMS
XCFxxP PROM as Configuration Master with Internal Oscillator as Clock Source
CE
T
HCE
T
HOE
OE/RESET
CLKOUT
T
CEC
T
OEC
T
SB
T
HB
T
CDD
T
COH
T
DDC
T
OE
T
CE
T
CECF
T
OECF
BUSY
(optional)
DATA
T
CF
T
CFC
T
HCF
T
EOH
T
DF
CF
EN_EXT_SEL
T
SXT
T
HXT
T
SXT
T
HXT
REV_SEL[1:0]
T
SRV
T
HRV
T
SRV
T
HRV
Note:
8
CLKOUT cycles
are
output
after
CE rising edge,
before
CLKOUT
tristates, if OE/RESET remains high,
and
terminal count has not
been
reached.
ds123_26_122905
Symbol
Description
CF hold time to guarantee design revision selection is sampled
when V
CCO
= 3.3V or 2.5V
(12)
CF hold time to guarantee design revision selection is sampled
when V
CCO
= 1.8V
(12)
CF to data delay when VCCO = 3.3V or 2.5V
CF to data delay when VCCO = 1.8V
OE/RESET to data delay
(6)
when V
CCO
= 3.3V or 2.5V
OE/RESET to data delay
(6)
when V
CCO
= 1.8V
CE to data delay
(5)
when V
CCO
= 3.3V or 2.5V
CE to data delay
(5)
when V
CCO
= 1.8V
Data hold from CE, OE/RESET, or CF when V
CCO
= 3.3V or 2.5V
Data hold from CE, OE/RESET, or CF when V
CCO
= 1.8V
CE or OE/RESET to data float delay
(2)
when V
CCO
= 3.3V or 2.5V
CE or OE/RESET to data float delay
(2)
when V
CCO
= 1.8V
OE/RESET to CLKOUT float delay
(2)
when V
CCO
= 3.3V or 2.5V
OE/RESET to CLKOUT float delay
(2)
when V
CCO
= 1.8V
CE to CLKOUT float delay
(2)
when V
CCO
= 3.3V or 2.5V
CE to CLKOUT float delay
(2)
when V
CCO
= 1.8V
CE hold time (guarantees counters are reset)
(5)
when V
CCO
= 3.3V or 2.5V
CE hold time (guarantees counters are reset)
(5)
when V
CCO
= 1.8V
XCF08P, XCF16P,
XCF32P
Min
300
300
–
–
–
–
–
–
5
5
–
–
–
–
–
–
2000
2000
TBD
TBD
25
25
25
25
–
–
45
45
TBD
TBD
TBD
TBD
–
–
Units
300
300
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Max
T
HCF
T
CF
T
OE
T
CE
T
EOH
T
DF
T
OECF
T
CECF
T
HCE
DS123 (v2.9) May 09, 2006
33
XILINX [ XILINX, INC ]
