SL811HS
Document 38-08008 Rev. *D Page 27 of 32
I/O Read Cycle
Note nCS can be kept LOW during multiple Read cycles provided nRD is cycled. Rd Cycle Time for Auto Inc Mode Reads is 170
ns minimum.
nRD A0 D0-D7 DATA
twr
twahld
twdhld
twasu
twdsu trdhld
I/O Read Cycle from Register or Mem o ry Buffer Register or Memory
A
ddress
trdp
nWR trshld
trcsu
nCS tracc
Tcscs *Note
twrrdl
Parameter Description Min. Typ. Max.
tWR Write pulse width 85 ns
tRD Read pulse width 85 ns
tWCSU Chip select set-up to nWR 0 ns
tWASU A0 address set-up time 85 ns
tWAHLD A0 address hold time 10 ns
tWDSU Data to Write HIGH set-up time 85 ns
tWDHLD Data hold time after Write HIGH 5 ns
tRACC Data valid after Read LOW 25 ns 85 ns
tRDHLD Data hold after Read HIGH 40 ns
tRCSU Chip select LOW to Read LOW 0 ns
tRSHLD NCS hold after Read HIGH 0 ns
TCSCS*nCS inactive to nCS *asserted 85 ns
tWRRDL nWR HIGH to nRD LOW 85ns