PIC16F7X Datasheet, PDF (133/174 Pages) Microchip Technology – 28/40-Pin 8-Bit CMOS FLASH Microcontrollers

PIC16F7X
FIGURE 15-10: PARALLEL SLAVE PORT TIMING (PIC16F74/77 DEVICES ONLY)
RE2/CS
RE0/RD
RE1/WR
65
RD7:RD0
64
Note: Refer to Figure 15-3 for load conditions.
62
63
TABLE 15-6: PARALLEL SLAVE PORT REQUIREMENTS (PIC16F74/77 DEVICES ONLY)
Parameter
No.
Symbol
Characteristic
Min Typ† Max Units Conditions
62 TdtV2wrH Data in valid before WR↑ or CS↑ (setup time) 20 — — ns
25 — — ns Extended range
only
63* TwrH2dtI WR↑ or CS↑ to data in invalid Standard(F) 20 — — ns
(hold time)
Extended(LF) 35 — — ns
64 TrdL2dtV RD↓ and CS↓ to data out valid
— — 80 ns
— — 90 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.
 2002 Microchip Technology Inc.
DS30325B-page 131