MCR908JK3ECDWE Freescale Semiconductor, MCR908JK3ECDWE Datasheet - Page 172

• Manufacturer Part Number: MCR908JK3ECDWE
• Description: IC MCU 4K FLASH 8MHZ 20-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MCR908JK3ECDWE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Peripherals: LED, LVD, POR, PWM
• Number Of I /o: 15
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 12x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• Processor Series: HC08JK
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 15
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, DEMO908JL16E, M68CBL05CE
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 12 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details

B.7.3 Memory Characteristics
172
RAM data retention voltage
NOTES:
Since MC68H(R)C08JL3E/JK3E is a ROM device, Flash memory electrical characteristics do not apply.
14
12
10
14
12
10
8
6
4
2
0
8
6
4
2
0
0
0
10
10
Characteristic
Figure B-3. RC vs. Frequency (5V @25°C)
Figure B-4. RC vs. Frequency (3V @25°C)
20
20
MC68HC908JL3E Family Data Sheet, Rev. 4
Table B-5. Memory Characteristics
RESISTOR, R
RESISTOR, R
30
30
EXT
EXT
(kΩ)
(kΩ)
40
40
C
3V @ 25°C
C
5V @ 25°C
EXT
EXT
Symbol
V
50
50
= 10 pF
= 10 pF
RDR
Min
1.3
V
V
DD
DD
Freescale Semiconductor
R
R
EXT
EXT
Max
—
OSC1
OSC1
MCU
MCU
Unit
C
C
V
EXT
EXT