PIC16HV540 Microchip Technology, PIC16HV540 Datasheet - Page 65

• Manufacturer Part Number: PIC16HV540
• Description: Enhanced PIC16C54 EPROM-Based 8-Bit CMOS Microcontroller
• Manufacturer: Microchip Technology

10.4
FIGURE 10-2: EXTERNAL CLOCK TIMING - PIC16HV540
TABLE 10-1:
Note 1: Data in the Typical (“Typ”) column is at V
Parameter
2000 Microchip Technology Inc.
AC Characteristics
No.
CLKOUT
1
2
3
4
2: All specified values are based on characterization data for that particular oscillator type under standard
3: Instruction cycle period (T
OSC1
* These parameters are characterized but not tested.
Timing Diagrams and Specifications
ters are for design guidance only and are not tested.
operating 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,
Sym.
F
TosL,
T
TosH
TosF
T
OSC
OSC
EXTERNAL CLOCK TIMING REQUIREMENTS - PIC16HV540
CY
Q4
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
External CLKIN Frequency
Oscillator Frequency
External CLKIN Period
Oscillator Period
Instruction Cycle Time
Clock in (OSC1) Low or High Time 50*
Clock in (OSC1) Rise or Fall Time
Characteristic
CY
) equals four times the input oscillator time base period.
Q1
1
(2)
(2)
(3)
(2)
REG
Preliminary
(2)
0 C
–40 C
Q2
= 5V, V
T
A
2
T
Min. Typ.
DD
2.0*
250
250
250
250
250
250
DC
DC
DC
DC
DC
20*
0.1
0.1
5.0
A
50
—
—
—
—
5
+70 C (commercial)
= 9V, 25°C unless otherwise stated. These parame-
3
+85 C (industrial)
4/F
Q3
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
OSC
(1)
3
10,000
10,000
Max.
200
200
200
4.0
2.0
4.0
4.0
2.0
4.0
25*
25*
50*
—
—
—
—
—
—
—
—
—
Q4
4
PIC16HV540
Unit
MHz RC osc mode
MHz HS osc mode
MHz XT osc mode
MHz RC osc mode
MHz HS osc mode
MHz XT osc mode
kHz LP osc mode
kHz LP osc mode
ns
ns
ns
ns
ns
ns
µs
—
ns
ns
ns
ns
ns
s
s
s
4
RC osc mode
HS osc mode
XT osc mode
LP osc mode
RC osc mode
HS osc mode
XT osc mode
LP osc mode
XT oscillator
HS oscillator
LP oscillator
XT oscillator
HS oscillator
LP oscillator
Q1
Conditions
DS40197B-page 65