Datasheet

1997 Microchip Technology Inc. DS30390E-page 231
PIC16C7X
Applicable Devices 72 73 73A 74 74A 76 77
FIGURE 20-8: PARALLEL SLAVE PORT TIMING (PIC16C77)
TABLE 20-7: PARALLEL SLAVE PORT REQUIREMENTS (PIC16C77)
Parameter
No.
Sym Characteristic Min Typ† Max Units Conditions
62
TdtV2wrH Data in valid before WR or CS (setup time) 20
25
ns
ns
Extended
Range Only
63* TwrH2dtI WR or CS to data–in invalid (hold time) PIC16C77 20 ns
PIC16LC77 35 ns
64 TrdL2dtV RD and CS to data–out valid
80
90
ns
ns
Extended
Range Only
65 TrdH2dtI RD or CS to data–out invalid 10 30 ns
* These parameters are characterized but not tested.
Data in "Typ" column is at 5V, 25˚C unless otherwise stated. These parameters are for design guidance only and are not
tested.
Note: Refer to Figure 20-1 for load conditions
RE2/CS
RE0/RD
RE1/WR
RD7:RD0
62
63
64
65