PIC12C508A-04/EJW MICROCHIP [Microchip Technology], PIC12C508A-04/EJW Datasheet - Page 86

• Manufacturer Part Number: PIC12C508A-04/EJW
• Description: 8-Pin, 8-Bit CMOS Microcontrollers
• Manufacturer: MICROCHIP [Microchip Technology]

PIC12C5XX
13.6
FIGURE 13-2: EXTERNAL CLOCK TIMING - PIC12C508A, PIC12C509A, PIC12CR509A,
TABLE 13-2:
DS40139E-page 86
Note 1: Data in the Typical (“Typ”) column is at 5V, 25 C unless otherwise stated. These parameters are for design
Parameter
AC Characteristics
* These parameters are characterized but not tested.
No.
2: All specified values are based on characterization data for that particular oscillator type under standard oper-
3: Instruction cycle period (T
1
2
3
4
OSC1
Timing Diagrams and Specifications
guidance only and are not tested.
ating conditions with the device executing code. Exceeding these specified limits may result in an unstable
oscillator operation and/or higher than expected current consumption.
When an external clock input is used, the “max” cycle time limit is “DC” (no clock) for all devices.
TosR, TosF Clock in (OSC1) Rise or Fall Time
TosL, TosH Clock in (OSC1) Low or High Time
PIC12CE518, PIC12CE519, PIC12LC508A, PIC12LC509A, PIC12LCR509A,
PIC12LCE518 and PIC12LCE519
EXTERNAL CLOCK TIMING REQUIREMENTS - PIC12C508A, PIC12C509A,
PIC12CE518, PIC12CE519, PIC12LC508A, PIC12LC509A, PIC12LCR509A,
PIC12LCE518 and PIC12LCE519
Sym
F
T
Tcy
OSC
OSC
Q4
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
Operating Voltage V
External CLKIN Frequency
Oscillator Frequency
External CLKIN Period
Oscillator Period
Instruction Cycle Time
CY
) equals four times the input oscillator time base period.
Q1
Characteristic
1
(2)
(2)
DD
(3)
(2)
range is described in Section 13.1
Q2
(2)
–40 C
–40 C
0 C
2
T
T
T
A
Min
250
250
250
A
A
DC
DC
DC
DC
50*
0.1
3
—
—
—
2*
5
5
Q3
+70 C (commercial),
+85 C (industrial),
+125 C (extended)
4/F
Typ
3
—
—
—
—
—
—
—
—
—
—
—
—
—
—
OSC
(1)
10,000
Max
200
200
25*
50*
—
—
—
—
—
—
—
4
4
4
Q4
4
Units
MHz XT osc mode
MHz EXTRC osc mode
MHz XT osc mode
kHz
kHz
1999 Microchip Technology Inc.
ms
ms
ms
ns
ns
ns
—
ns
ns
ns
4
LP osc mode
LP osc mode
XT osc mode
LP osc mode
EXTRC osc mode
XT osc mode
LP osc mode
XT oscillator
LP oscillator
XT oscillator
LP oscillator
Q1
Conditions