PIC16F870_13 Datasheet, PDF (132/172 Pages) Microchip Technology – 28/40-Pin, 8-Bit CMOS FLASH Microcontrollers

PIC16F870/871
FIGURE 14-10: PARALLEL SLAVE PORT TIMING (PIC16F871 ONLY)
RE2/CS
RE0/RD
RE1/WR
65
RD7:RD0
64
Note: Refer to Figure 14-3 for load conditions.
62
63
TABLE 14-6: PARALLEL SLAVE PORT REQUIREMENTS (PIC16F871 ONLY)
Param
No.
Sym
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 (hold time) Standard(F) 20 — — ns
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.
DS30569C-page 132
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