PIC16LF720_11 Datasheet, PDF (199/244 Pages) Microchip Technology – 20-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC16(L)F720/721
FIGURE 23-7:
CLKOUT AND I/O TIMING
Cycle
FOSC
CLKOUT
Write
Q4
I/O pin
(Input)
I/O pin
(Output)
Old Value
Fetch
Q1
OS11
OS19
OS13
Read
Q2
OS20
OS21
OS16
OS17
OS15
OS14
OS18, OS19
Execute
Q3
OS12
OS18
New Value
TABLE 23-3: CLKOUT AND I/O TIMING PARAMETERS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature -40°C TA +125°C
Param
No.
Sym.
Characteristic
Min.
Typ† Max. Units Conditions
OS11* TOSH2CKL FOSC to CLKOUT ⁽¹⁾
—
— 70 ns VDD = 3.3-5.0V
OS12* TOSH2CKH FOSC to CLKOUT ⁽¹⁾
—
— 72 ns VDD = 3.3-5.0V
OS13* TCKL2IOV CLKOUT to Port out valid⁽¹⁾
—
— 20 ns
OS14* TIOV2CKH Port input valid before CLKOUT⁽¹⁾
TOSC + 200 ns —
—
ns
OS15* TOSH2IOV FOSC (Q1 cycle) to Port out valid
—
50 70* ns VDD = 3.3-5.0V
OS16* TOSH2IOI FOSC (Q2 cycle) to Port input invalid
50
— — ns VDD = 3.3-5.0V
(I/O in hold time)
OS17* TIOV2OSH
OS18* TIOR
Port input valid to FOSC(Q2 cycle)
(I/O in setup time)
Port output rise time⁽²⁾
OS19* TIOF
Port output fall time⁽²⁾
20
— — ns
—
15 32 ns VDD = 2.0V
—
40 72
VDD = 3.3-5.0V
—
28 55 ns VDD = 2.0V
—
15 30
VDD = 3.3-5.0V
OS20* TINP
INT pin input high or low time
25
— — ns
OS21* TRBP
PORTB interrupt-on-change new input
TCY
level time
— — ns
* These parameters are characterized but not tested.
† Data in “Typ” column is at 3.0V, 25C unless otherwise stated.
Note 1: Measurements are taken in RC mode where CLKOUT output is 4 x TOSC.
2: Includes OSC2 in CLKOUT mode.
 2011 Microchip Technology Inc.
Preliminary
DS41430B-page 199