Datasheet

 2002 Microchip Technology Inc. DS30325B-page 131
PIC16F7X
FIGURE 15-10: PARALLEL SLAVE PORT TIMING (PIC16F74/77 DEVICES ONLY)
TABLE 15-6: PARALLEL SLAVE PORT REQUIREMENTS (PIC16F74/77 DEVICES ONLY)
Note: Refer to Figure 15-3 for load conditions.
RE2/CS
RE0/RD
RE1/WR
RD7:RD0
62
63
64
65
Parameter
No.
Symbol 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)
Standard(F)20——ns
Extended(LF)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.