xc4025 Xilinx Corp., xc4025 Datasheet - Page 9

• Manufacturer Part Number: xc4025
• Description: Logic Cell Array Family , Inc
• Manufacturer: Xilinx Corp.

CLB RAM Timing Characteristics
WRITE
READ
READ, CLOCKING DATA INTO FLIP-FLOP
READ DURING WRITE
READ DURING WRITE, CLOCKING DATA INTO FLIP-FLOP
(changing during WE)
XQ,YQ OUTPUTS
(stable during WE)
XQ,YQ OUTPUTS
WRITE ENABLE
WRITE ENABLE
WRITE ENABLE
X,Y OUTPUTS
X,Y OUTPUTS
X,Y OUTPUTS
ADDRESS
DATA IN
DATA IN
DATA IN
DATA IN
CLOCK
CLOCK
VALID
(PREVIOUS)
VALID
VALID
T
AS
T
VALID
ILO
(OLD)
OLD
T
ICK
T
T
WO
WO
2-55
T
WCK
VALID
(OLD)
T
DCK
T
CH
T
CKO
T
T
WC
WP
T
T
WP
WP
T
DO
T
CKO
VALID
VALID
REQUIRED
T
DS
NEW
(NEW)
(NEW)
VALID
VALID
T
T
AH
DH
T
DH
X2640