PIC16C54B/JW Microchip Technology, PIC16C54B/JW Datasheet - Page 178

• Manufacturer Part Number: PIC16C54B/JW
• Description: MICRO CTRL 512 X 12 EPROM 18CDIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C54B/JW

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 12
• Program Memory Size: 768B (512 x 12)
• Program Memory Type: EPROM, UV
• Ram Size: 25 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 18-CDIP (0.300", 7.62mm) Window
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

PIC16C5X
19.6
FIGURE 19-2: EXTERNAL CLOCK TIMING - PIC16C5X, PIC16CR5X
TABLE 19-2:
DS30453B-page 178
Note 1: Data in the Typical (“Typ”) column is at 5V, 25 C unless otherwise stated. These parameters are for design guidance only
Parameter
*
AC Characteristics
No.
These parameters are characterized but not tested.
2: All specified values are based on characterization data for that particular oscillator type under standard operating condi-
3: Instruction cycle period (T
CLKOUT
1
OSC1
Timing Diagrams and Specifications
and are not tested.
tions 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.
F
T
Sym
EXTERNAL CLOCK TIMING REQUIREMENTS - PIC16C5X, PIC16CR5X
OSC
OSC
Q4
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
Operating Voltage V
External CLKIN Frequency
Oscillator Frequency
External CLKIN Period
Oscillator Period
CY
) equals four times the input oscillator time base period.
Characteristic
Q1
1
(2)
(2)
DD
(2)
range is described in Section 19.1, Section 19.2 and Section 19.3.
(2)
Preliminary
Q2
–40 C
–40 C
0 C
0.455
2
Min
250
250
250
250
250
DC
DC
DC
DC
DC
5.0
5.0
50
50
T
4
4
5
T
T
A
A
A
3
+70 C (commercial)
Typ
+85 C (industrial)
+125 C (extended)
Q3
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
(1)
3
2,200
Max
200
200
250
250
200
4.0
4.0
4.0
4.0
4.0
20
20
—
—
—
—
—
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
kHz
kHz
Q4
ns
ns
ns
ns
ns
ns
ns
4
s
s
1998 Microchip Technology Inc.
XT osc mode
HS osc mode (04)
HS osc mode (20)
LP osc mode
RC osc mode
XT osc mode
HS osc mode (04)
HS osc mode (20)
LP osc mode
XT osc mode
HS osc mode (04)
HS osc mode (20)
LP osc mode
RC osc mode
XT osc mode
HS osc mode (04)
HS osc mode (20)
LP osc mode
4
Conditions
Q1