PIC16LF1904 Datasheet, PDF (247/288 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC16LF1904/6/7
FIGURE 22-5:
Cycle
FOSC
CLKOUT
I/O pin
(Input)
I/O pin
(Output)
CLKOUT AND I/O TIMING
Write
Q4
Fetch
Q1
OS11
OS19
OS13
Read
Q2
OS20
OS21
OS16
OS17
Old Value
OS15
OS18, OS19
OS14
Execute
Q3
OS12
OS18
New Value
TABLE 22-3: 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†
OS11 TosH2ckL FOSC to CLKOUT ⁽¹⁾
—
—
OS12 TosH2ckH FOSC to CLKOUT ⁽¹⁾
—
—
OS13 TckL2ioV CLKOUT to Port out valid⁽¹⁾
—
—
OS14 TioV2ckH Port input valid before CLKOUT⁽¹⁾
TOSC + 200 ns —
OS15 TosH2ioV Fosc (Q1 cycle) to Port out valid
—
50
OS16 TosH2ioI Fosc (Q2 cycle) to Port input invalid
(I/O in hold time)
50
—
OS17 TioV2osH Port input valid to Fosc(Q2 cycle)
(I/O in setup time)
20
—
OS18 TioR
Port output rise time
—
40
—
15
OS19 TioF
Port output fall time
—
28
—
15
OS20* Tinp
INT pin input high or low time
25
—
OS21* Tioc
Interrupt-on-change new input level
time
25
—
* 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 EC mode where CLKOUT output is 4 x TOSC.
Max.
70
72
20
—
70*
—
—
72
32
55
30
—
—
Units Conditions
ns VDD = 3.3-5.0V
ns VDD = 3.3-5.0V
ns
ns
ns VDD = 3.3-5.0V
ns VDD = 3.3-5.0V
ns
ns VDD = 1.8V
VDD = 3.3-5.0V
ns VDD = 1.8V
VDD = 3.3-5.0V
ns
ns
 2011 Microchip Technology Inc.
Preliminary
DS41569A-page 247