一華半導體股份有限公司
MOSDESIGN SEMICONDUCTOR CORP.
EN/DECODER
2 STATES ENCODER 2 态编码 IC GENERAL DESCRIPTION 功 能叙述
M1EN
The M1EN is a CMOS ASIC encoder. It will en-code 12 parallel inputs and serially transmit them to the output when transmits enable TE depressed. These address inputs are 2 states i.e. LOW (0) or OPEN (1).
FEATURES 产 品特长
• Same Rosc matched to the Decoder M1D/F. • 212 = 4,096 codes. • 4 cycles transmission each time. • Direct data transmit type:(Eliminating TE and diodes). ─ M1EN-H:Switch to VDD.
APPLICATIONS 产 品应用
• Car/home alarm system, garage control etc..
BLOCK DIAGRAM 功 能方块图
X Oscillator Y
Freq Divider
Output Driver
DO
TE A0 Input C ontrol A11 C ontrol Logic unit
*All specs and applications shown above subject to change without prior notice. ( 以上电路及规格仅供参考,本公司得径行修正 ) 1/6
2005-06-15
一華半導體股份有限公司
MOSDESIGN SEMICONDUCTOR CORP.
EN/DECODER
2 STATES ENCODER 2 态编码 IC ABSOLUTE MAXIMUM RATINGS
Parameter Supply Voltage Input Voltage Operating Temperature Storage Temperature Rating -0.3 to 12 -0.2~VDD +0.2 0 to 70 -50 to 125
M1EN
(TA=25℃) Unit V V ℃ ℃
ELECTRICAL CHARACTERISTICS
Characteristics Operating Voltage Operating Current Quiescent Current Output Drive Current Input Voltage Oscillator Frequency Sym. VDD IOP ISB IO VIH VIL Fosc Min. 2.4 ─ ─ ─ VDD – 0.2 VSS ─ Typ. ─ 0.1 0.1 2 VDD VSS 76 Max. 12 1 0.5 ─ VDD VSS +0.2 ─ Unit V mA μA mA V KHz External±30%, Rosc=220KΩ @VDS=1.2V No load Conditions
PIN DESCRIPTION
No. 1~8 9 10~13 14 15 16 17 18 Name A0~A7 VSS A8~A11 TE Y X DO VDD Description Address inputs Negative power supply Address inputs Transmit enable Oscillator output Oscillator input Data output Positive power supply
A0 A1 A2 A3 A4 A5 A6 A7 VSS
M1EN
1 18 VDD DO X Y TE A11 A10 A9 9 10 A8
2/6
2005-06-15
一華半導體股份有限公司
MOSDESIGN SEMICONDUCTOR CORP.
EN/DECODER
2 STATES ENCODER 2 态编码 IC TIMING WAVEFORM
(1) BIT FORMAT
1 2 32 33 64 65 96
M1EN
OSC
32 CLOCKS
" 0"
64 CLOCKS
" OPEN"
64 CLOCKS
32 CLOCKS
(2) TIMING DIAGRAM
TE
A0 12 BITS SYNC 1st WORD SYNC A11 A0 4th WORD A11
DO
M1EN F-V curve
2 50 7 5K 8 2K 2 00 9 1K 1 00K 1 50 Freq (KHz) 1 00 1 20K 1 50K 1 80K 2 00K 2 20K 50 2 70K 3 60K 0 2 7 VDD ( Volt ) 12 17
3/6
2005-06-15
一華半導體股份有限公司
MOSDESIGN SEMICONDUCTOR CORP.
EN/DECODER
2 STATES ENCODER 2 态编码 IC OPERATING FLOWCHART
M1EN
Power ON
Stand-by
N
TEB depressed?
4 words data transmitted
N TEB still depressed?
Y
4/6
2005-06-15
一華半導體股份有限公司
MOSDESIGN SEMICONDUCTOR CORP.
EN/DECODER
2 STATES ENCODER 2 态编码 IC RECONNENDED OSCILLATOR PARAMETERS
R osc (KΩ ) 75 82 91 1 00 1 20 1 50 1 80 2 00 2 20 2 70 3 00 3 30 3 60 M1EN/D/F (KHz) 218 199 185 170 142 115 95 86 78 63 57 51 49
M1EN
DATA OUTPUT
M1EN (D0~D3) 0 (VSS) 1 ( OPEN) M1D/F (D0~D3) 1 (VDD) 0 (VSS)
Freq-Rosc chart
(@VDD=12V)
2 50 2 00 1 50
Freq ( KHz )
1 00 50 0 0 50 1 00 1 50 2 00 2 50 3 00 3 50 4 00
M1EN/D/F
Rosc ( KÙ )
5/6
2005-06-15
一華半導體股份有限公司
MOSDESIGN SEMICONDUCTOR CORP.
EN/DECODER
2 STATES ENCODER 2 态编码 IC APPLICATION DIAGRAM 参 考电路图
(1) 4 DATA TYPE DIP 18 PIN DIP 16 PIN
M1EN
M1EN
VDD A0 A1 A2 A3 A4 A5 A6 A7 VSS 9 10 1 18 DO X Y Rosc A4 TE D3 D2 D1 D0 A5 A6 A7 VSS
IR / RF
M1EN
VDD A0 A2 A3 Y Rosc 1 16 DO X
IR / RF
TE D3 D2 8 9 D1
直接发射(VDD)
SOP 20 PIN
M1EN-H
VDD A0 A1 A2 Y A3 A4 A5 A6 A7 VSS 9 10 LO D3 D2 D1 D0 Rosc A2 1 18 DO X
IR / RF
M1EN-S
1 A0 DO A1 X Y A3 A4 A5 A6 A7 VSS 10 11 TE D3 D2 D1 D0 Rosc 20 VDD
IR / RF
6/6
2005-06-15
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