PIC16F870-I/SP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F870-I/SP

28/40-Pin, 8-Bit CMOS FLASH Microcontrollers

Microchip Technology 

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)

Parameter

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.

© 1999 Microchip Technology Inc.

Preliminary

DS30569A-page 131

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