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PIC876 데이터시트(PDF) 165 Page - Microchip Technology

부품명 PIC876
상세설명  28/40-pin 8-Bit CMOS FLASH Microcontrollers
PDF  218 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC876 데이터시트(HTML) 165 Page - Microchip Technology

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 2001 Microchip Technology Inc.
DS30292C-page 163
PIC16F87X
FIGURE 15-7:
CLKOUT AND I/O TIMING
TABLE 15-2:
CLKOUT AND I/O TIMING REQUIREMENTS
Note: Refer to Figure 15-5 for load conditions.
OSC1
CLKOUT
I/O Pin
(Input)
I/O Pin
(Output)
Q4
Q1
Q2
Q3
10
13
14
17
20, 21
19
18
15
11
12
16
Old Value
New Value
Param
No.
Symbol
Characteristic
Min
Typ†
Max
Units Conditions
10*
TosH2ckL OSC1
↑ to CLKOUT↓
—
75
200
ns
(Note 1)
11*
TosH2ck
H
OSC1
↑ to CLKOUT↑
—
75
200
ns
(Note 1)
12*
TckR
CLKOUT rise time
—
35
100
ns
(Note 1)
13*
TckF
CLKOUT fall time
—
35
100
ns
(Note 1)
14*
TckL2ioV CLKOUT
↓ to Port out valid
——
0.5TCY + 20
ns
(Note 1)
15*
TioV2ckH Port in valid before CLKOUT
↑
TOSC + 200
——
ns
(Note 1)
16*
TckH2ioI
Port in hold after CLKOUT
↑
0
——
ns
(Note 1)
17*
TosH2ioV OSC1
↑ (Q1 cycle) to
Port out valid
—
100
255
ns
18*
TosH2ioI
OSC1
↑ (Q2 cycle) to
Port input invalid (I/O in
hold time)
Standard (F)
100
——
ns
Extended (LF)
200
——
ns
19*
TioV2osH Port input valid to OSC1
↑ (I/O in setup time)
0
——
ns
20*
TioR
Port output rise time
Standard (F)
—
10
40
ns
Extended (LF)
——
145
ns
21*
TioF
Port output fall time
Standard (F)
—
10
40
ns
Extended (LF)
——
145
ns
22††*
Tinp
INT pin high or low time
TCY
——
ns
23††*
Trbp
RB7:RB4 change INT high or low time
TCY
——
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.
††
These parameters are asynchronous events not related to any internal clock edges.
Note 1: Measurements are taken in RC mode where CLKOUT output is 4 x TOSC.



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