M66244FP Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC
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M66244FP Datasheet PDF : 15 Pages
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PRELIMINARY DATA SHEET
MITSUBISHI <DIGITAL ASSP>
M66244FP
June 1998 Ver.8.0.0
High Speed Monolithic Pulse Width Modulator
NOTE:This is not final specification. Some parametric limits are subject to change
DESCRIPTION
The M66244FP is a high-speed digitally programmable pulse width modulator (PWM) which
uses high-performance silicon gate CMOS process technology.Output pulse width is
proportional to a 6-bit DATA input value. Two additional CONTROL inputs determine if the
pulse is placed at the beginning , middle ,or end of the clock period. Pulse width and
placement can be changed every clock cycle up to 72MHz.
FEATURES
• Frequency 45MHz to 72MHz
• 6 bit Resolution
• Center, Leading, Trailing Edge Modulation
• Single 3.3V Operation
• JTAG (IEEE Standard 1149.1Test Port)
APPLICATIONS
• Laser Printers
Gray Scale Capability
Resolution Enhancement
• Copiers
• Optical Disk Drives
• Precision Pulse Placement
PIN CONFIGURATION (TOP VIEW)
TEST CLOCK INPUT
TCK
1
TEST PIN
(JTAG)
TEST MODE INPUT
TMS
2
TEST RESET INPUT
TRST
3
GND
4
VDD
5
GND
6
VDD
7
GND
8
VDD
9
GND
10
VDD
11
GND
12
VDD
13
FREQUENCY
FRANGE1
14
RANGE SET INPUT
FRANGE2 15
LINE SIGNAL INPUT
LS
16
PULSE MODE
CONTROL
INPUT
SEM/DEM
17
LEM/TEM
18
36
TDI
TEST DATA INPUT
TEST PIN
35
TDO TEST DATA OUTPUT
(JTAG)
34
GND
33
CLK
CLOCK INPUT
32
VDD
31
RESET RESET INPUT
30
SET
SET INPUT
29
VDD
28
GND
27
PWMOUT
26
VDD
25
GND
24
D0(LSB)
23
D1
22
D2
21
D3
DATA BUS
INPUT
20
D4
19
D5(MSB)
Outline 36P2R
C 1998 MITSUBISHI ELECTRIC CORPORATION
(1/15)
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