Provision ISR PTG-01 Especificaciones descargar pdf (Pagina 133)

 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

Parameter

No.

Symbol Characteristic Min Typ† Max Units Conditions

62 TdtV2wrH Data in valid before WR

↑ or CS↑ (setup time) 20

—

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 —

—

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.

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Provision ISR PTG-01 Especificaciones Pagina 133