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TC74A23F Datasheet(PDF) 3 Page - Toshiba Semiconductor

Part # TC74A23F
Description  Toshiba CMOS Digital Integrated Circuit Silicon Monolithic
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TC74A23F Datasheet(HTML) 3 Page - Toshiba Semiconductor

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TC94A23F
2002-02-06
3
Pin Connections
Note:
Symbols used for the pins above indicate the following pin functions.
Note:
When the CD is off, the power supply pins for the controller (MVDD) and the power pins supply for the CD oscillator (XVDD) are on and the CD processor-dedicated power
supply pins (indicated by asterisk *) are off.
3
M
*
A
R
M
: CD processor-dedicated pin
: Power supply pin
: CD processor tri-state output pin
: CD processor analog input/output pin
: Reference input pin
: Controller-dedicated pin
COM2 (OT2)
MVDD
MVSS
MXI
MXO
INTR
RST
IN2/(VPP)
TESTM
DVSL
LO
DVRL
DVDD
RO
DVRR
DVSR
P2-1 ( HSO in)
P2-0 (EMPHin)
P4-3 (SCK/SCL)
P4-2 (SI0/SI1/SDA)
TMAX
PDO
P2VREF
VSS
SBOK
VDD
SBSY
DOUT
OT22 (COFS)
OT21 (SPDA)
OT20 (SPCK)
TESTC
IN1 (BCKin)
P2-3 (DATAin)
P2-2 (LRCKin)
M
M
3
3
3
R
3
3
3
3
R
A
A
A
A
A
A
A
A
A
3
A
A
3
A
R
A
A
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
3
3
R
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
R
M
R
M
M
M
M
M
M
M
M
M
M
M
M
M
M
*
*
*
*
*
*
*
*
*
*
*
*
*
*
81
85
90
95
100
50
45
40
35
31
1
5
10
15
20
25
30
80
75
70
65
60
55
51
*
HOLD
COM1 (OT1)
COM4 (OT4)
COM3 (OT3)
OT19 ( HSO )
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
OSC
Power supply to controller
Controller test input
Reset input
Hold input
Interrupt input
CD processor input/output
CD test input
I/O ports (16)
Power supply to
controller
LCD driver/LED driver output port
(LCD: 4
´ 18 = 72 segments max, LED: 18 segments)
T C 9 4 A 2 3 F
(QPF100 pin)
CD function pins switched together


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