XR16V2551 Datasheet, PDF (42/51 Pages) Exar Corporation – HIGH PERFORMANCE DUART WITH 16-BYTE FIFO AND POWERSAVE FEATURE

XR16V2551
PRELIMINARY
HIGH PERFORMANCE DUART WITH 16-BYTE FIFO AND POWERSAVE FEATURE
FIGURE 16. 16 MODE (INTEL) DATA BUS WRITE TIMING
REV. P1.0.0
A0-A2
CSA#/
CSB#
IOW#
D0-D7
Valid Address
T_AS
T_CS
T_WR
Valid Address
T_AH
T_AS
T_CS
T_AH
T_DY
T_WR
T_DS
T_DH
Valid Data
T_DS
T_DH
Valid Data
16Write
FIGURE 17. 68 MODE (MOTOROLA) DATA BUS READ TIMING
A0-A3
CS#
R/W#
D0-D7
TADS
Valid Address
TCSL
T ADH
T RWS
TRDA
T CSD
T RWH
T RDH
Valid Data
Valid Address
Valid Data
68Read
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