p16f877 Microchip Technology Inc., p16f877 Datasheet - Page 169

• Manufacturer Part Number: p16f877
• Description: 28/40-pin 8-bit Cmos Flash Microcontrollers
• Manufacturer: Microchip Technology Inc.

FIGURE 15-12:
TABLE 15-6:
Parameter
2001 Microchip Technology Inc.
No.
63*
*
†
Note: Refer to Figure 15-5 for load conditions.
62
64
65
RD7:RD0
RE1/WR
RE0/RD
RE2/CS
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.
TdtV2wrH Data in valid before WR or CS (setup time)
TrdL2dtV
TwrH2dtI
TrdH2dtI
Symbol
PARALLEL SLAVE PORT REQUIREMENTS (PIC16F874/877 ONLY)
PARALLEL SLAVE PORT TIMING (PIC16F874/877 ONLY)
WR or CS to data–in invalid (hold time) Standard(F)
RD and CS to data–out valid
RD or CS to data–out invalid
64
Characteristic
65
Extended(LF)
Min Typ† Max Units
20
25
20
35
10
—
—
62
—
—
—
—
—
—
—
PIC16F87X
63
80
90
30
—
—
—
—
DS30292C-page 167
ns
ns
ns
ns
ns
ns
ns
Extended
Range Only
Extended
Range Only
Conditions