GM82C803CN Datasheet, PDF (71/84 Pages) List of Unclassifed Manufacturers – 2.88 MB FDC/ Dual UARTs with FIFO/PIO(EPP/ ECP)/ IDE Interface/ S-IR/ PnP

GM82C803CN
5-3.1 External Clock Input (14.318MHz)
tCH
CLK
2.2 V
0.8V
tCL
* Note 1: The 3.3V and 1.5V levels are the voltage that the inputs are driven to during AC testing.
5-3.2 CPU Interface
AEN
Read Cycle
A0~A10
IOR
IOW
D0 ~ D7
A0 ~ A10
IOW
IOR
D0 ~ D7
VALID
RC(NOTE2)
tRD
tRC
tAR
tRVD
tRA
VALID DATA
Write Cycle
VALID
WC (NOTE 2)
tWR
tWC
VALID
OR
VALID
OR
tWA
tAW
VALID DATA