18.3 Plastic Quad Flat Pack (QFP)

L

B B –A–, –B–, –D–

48

49

–A–

L

33

32

–B–

B

M H A–B S D S

D

V

M C A–B S D S

DETAIL A

P

64

1

DETAIL A

17

16

0.20 (0.008)

0.05 (0.002)

0.20 (0.008)

F

BASE

METAL

J

N

D

 

0.20 (0.008) M C A–B S

D S

–D–

 

 

 

 

 

 

 

 

A

 

 

 

 

0.20 (0.008)

M

H

A–B

S

D

S

0.05 (0.002)

A–B

 

 

 

 

 

 

S

 

 

 

 

0.20 (0.008) M

C

A–B

S

D

S

SECTION B–B

NOTES:

1.

DIMENSIONING AND TOLERANCING PER ANSI

 

Y14.5M, 1982.

2.

CONTROLLING DIMENSION: MILLIMETER.

3.

DATUM PLANE –H– IS LOCATED AT BOTTOM OF

 

LEAD AND IS COINCIDENT WITH THE LEAD

 

WHERE THE LEAD EXITS THE PLASTIC BODY AT

 

THE BOTTOM OF THE PARTING LINE.

4.

DATUMS A–B AND –D– TO BE DETERMINED AT

 

DATUM PLANE –H–.

5.

DIMENSIONS S AND V TO BE DETERMINED AT

 

SEATING PLANE –C–.

6.

DIMENSIONS A AND B DO NOT INCLUDE MOLD

 

PROTRUSION. ALLOWABLE PROTRUSION IS 0.25

C E

H G

–H–DATUM PLANE

0.10 (0.004)

–C–SEATING PLANE

DETAIL C

U

M

T

R

Q

SEATING PLANE

K

X

M

(0.010) PER SIDE. DIMENSIONS A AND B DO

INCLUDE MOLD MISMATCH AND ARE

DETERMINED AT DATUM PLANE –H–.

7. DIMENSION D DOES NOT INCLUDE DAMBAR

PROTRUSION. DAMBAR PROTRUSION SHALL

NOT CAUSE THE D DIMENSION TO EXCEED 0.53

(0.021). DAMBAR CANNOT BE LOCATED ON THE

LOWER RADIUS OR THE FOOT.

8. DIMENSION K IS TO BE MEASURED FROM THE

THEORETICAL INTERSECTION OF LEAD FOOT

AND LEG CENTERLINES.

 

MILLIMETERS

INCHES

DIM

MIN

MAX

MIN

MAX

A

13.90

14.10

0.547

0.555

B

13.90

14.10

0.547

0.555

C

2.07

2.46

0.081

0.097

D

0.30

0.45

0.012

0.018

E

2.00

2.40

0.079

0.094

F

0.30

—

0.012

—

G

0.80 BSC

0.031 BSC

H

0.067

0.250

0.003

0.010

J

0.130

0.230

0.005

0.090

K

0.500

0.660

0.020

0.026

L

12.00 REF

0.472 REF

M

5°

10°

5°

10°

N

0.130

0.170

0.005

0.007

P

0.40 BSC

0.016 BSC

Q

2°

8°

2°

8°

R

0.13

0.30

0.005

0.012

S

16.20

16.60

0.638

0.654

T

0.20 REF

0.008 REF

U

0°

—

0°

—

DETAIL C

V

16.20

16.60

0.638

0.654

X

1.10

1.30

0.043

0.051

 

Figure 18-1. 64-Pin Quad-Flat-Pack (Case 840C-04)

Advance Information

MC68HC(7)08KH12 — Rev. 1.1

 

 

 

 

260

Freescale Semiconductor

Page 259 Page 261
Page 260
Image 260
Freescale Semiconductor MC68HC08KH12 manual Plastic Quad Flat Pack QFP, 260
Page 259 Page 261

MC68HC08KH12 specifications

The Freescale Semiconductor MC68HC08KH12 is a versatile microcontroller that has gained popularity in various embedded systems applications. Part of the HC08 family, this microcontroller combines a robust architecture with comprehensive on-chip features, making it suitable for a wide range of applications ranging from industrial control to consumer electronics.

One of the main features of the MC68HC08KH12 is its 8-bit architecture, which provides an optimal balance between performance and power efficiency. It operates at clock speeds of up to 2 MHz, allowing for efficient execution of instructions while maintaining low power consumption. The microcontroller is designed to operate over a voltage range of 2.7 to 5.5 volts, making it adaptable to various system requirements.

The MC68HC08KH12 is equipped with 1 Kbyte of RAM and 12 Kbytes of ROM, which allows for substantial program and data storage. The on-chip memory helps reduce the need for external components, simplifying the design of embedded systems and enhancing reliability. With a wide range of I/O options, including 26 general-purpose I/O pins, the microcontroller provides flexibility in interfacing with sensors, actuators, and other devices.

In terms of technologies, the MC68HC08KH12 features an advanced instruction set that enhances programming efficiency. It supports basic arithmetic operations, bit manipulation, and control transfer instructions, making it suitable for a variety of computational tasks. The integrated timers, analog-to-digital converters, and serial communication interfaces, including UART, provide the necessary tools for real-time control and data exchange with peripheral devices.

Another characteristic of the MC68HC08KH12 is its low power mode capabilities, which allow it to enter a sleep state during periods of inactivity. This feature is essential in battery-powered applications, where minimizing power consumption is crucial for extending operational life.

Overall, the Freescale Semiconductor MC68HC08KH12 stands out as a reliable microcontroller that combines performance, flexibility, and power efficiency. Its extensive features and technologies enable engineers to design robust embedded systems that meet the demands of modern applications. As a result, the MC68HC08KH12 remains a valuable choice for developers seeking a highly functional yet cost-effective microcontroller solution.
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