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TC9312N
Logic Controller LSI for Audio System
I TOSHIBA, ELECTRONIC DE DE
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“109731? DULB'NJE "
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LOGIC CONTROLLER LSI FOR AUDIO SYSTEM.
Unit in mm
The TC9312N ls logic controller LS1 for tape' att 15
recorder or other audio system applications. ... H ............ "
. Programmable ROM Array construction. (PRA) - oi
. Having 10 input, 10 output and 4 Input/output ports. 1 "
g . Capable of direct driving LED displays or other , 263m 2 (1161-025
external components with built-in bipolar output jg
drivers” "
F . Hide voltage range and low current consumption by i5 (146:0;5 1.7811125 0.315:
CMOS construction. g' 1.0xt115 +u1
- 025 -t105
. Built-in low voltage detection circuit to prevent
Lead pitch is 1.78 and. tolerance_ is
a trouble at power ONIOFF' .1;st against theoretical center of
. As Key Matrix RON and Output Data RON are ',',,t2A"Nt/",'A,id 1t,"Ai,'"lLh'l.th"
programmed separately, software can be developed JEDEC _
smoothly. . TOSHIBA ID28A-P
. Evaluater board Is prepared as a tool for Weight: 1.5g
development. f
PIN CONNECTIONS
MAXIMUM RATINGS (Ta=25°C)
CHARACTERISTIC SYMBOL RATING UNIT mm t 1 28 l VDD
Supply voleage VDD -0.3-7.0 v “C E2 'rr yovr-1
CL ts 26 J o0T-2
Supply Current IDD 200 mA IN-,1 t l 25 1001-5
Input Voltage VIN -0.3-1lDIpr0.3 ll IN-2 tits " l DOT-t
Output Current" Ttm 30 mA IN-3 Ce as l OUT's
IN-d. E 7 22 l ou'r-s
Power Dissipation Pc 750 mil IN-s [a 21 JooT-'r
Operating Temperature Topr -.30-75 "c . m-e ti; . 20 l our-e
Storage Temperature Tstg -55-125 "c IN-T E 10 " El t)or-t)
IN-B [11 18 l ou'r-lo
Note ' This IC is developed especially for audio IN-Q [12 " 11/0-4
applications. RON data is not changeable IN_10c15 M 3 1/0-5
after Shipping . . I/o-1 " 1531/0-2
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TOSHIBA-u ELECTRONIC DE
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BLOCK DIAGRAM
I/o PORT
I - - - -
INPUT PORT p'O 1 1/0 2 1/0 3 1/0 * OUTPUT PORT
"." IN-l o ,N' , l l Ct" OUT-l
' IN-a e Cait OUT-z
IN-IS Ci? Cit OUT-G
KEY MATRIX OUTPUT DATA ROM
IN-e INPUT 3 3 DATA OOF-I
T, LATGHES Ron LATCHES Cu",
(36x96 BIT) (16X128 BIT)
IN-5 e I) C) Crt ou'r-s
Itl-6 T, Crt ou'r-a
MODE ROM INSTRUCTION
INPUT DATA t
- OOF'?
IN '7 'y? LATGHES I) DATA ROM . I) LATCHES Ct?
6 (20x96 BIT) (12x129 BIT) 12
m-e Cli, Cir? OOF-ty
sum ADDRESS Niialt-BTRP DATA
INPUT DATA
TN-9 C1si LATOHES C ROM ROM D LATCHES Ci? on'r-s
(ex 96 BIT) (7x125 BIT)
TN-IO CE I . C1ii ouw-lo
xm-m T
TIMING CONTROL cmcun‘
CL 9 N Ci?, VDD
T 6‘ 1
A PROGRAM TIMER
030 a use omcqn‘ PROGRAM COUNTER Prim sounn cm 1) I 0 681)
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TOSHIBA1
ELECTRONIC iiui'l'
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DED Human? Dummnu .5 Tut-
TGBMZN
T-77-21
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Ta=25°C, VDD=5.0V)
f CHARACTERISTIC SYMBOL CTR- TEST CONDITION MIN. TYP. MAX. UNIT
Operating Supply Voltage VDD - 4.0 5.0 6.0 ll
Operating Supply Current IDD - fosC=6.4kHz No Load - 0.2 1.0 mA
Supply Current at Inhibit IDS - No Load, OSC stop (Note I) - 100 200 PA
"H" Level V - All Input ports except D - V
IR 3 level Input ports x0.7 DD
Input Voltage VDD ll
" " -.
L Level VIL - 0 x0.3
"H" Level VIH - . V395 - vim
3 Level Input IN-8,9 ports with 3 level - . V
Voltage Open VIM - input - 2.5 -
"L" Level VII, - 0 - 0.5
"H" Level . 11H ... In case of fixed VIH=5V - - 1.0
Input Current C-MOS compatible . "
. Input by mask.
"L" Level IIL - option. 1rIir-01l - - 1.0
Input Pull-up RUP - In nag: (if, f1EEd ci,'',',),''"' - 100 - kn
. or pu - own y mas
Resistance Pull-Down RDOWN - option. - 100 -
"H" Level log 1 A11 outpht ports VOH=4.0V 15 20 -
Output . A11 output ports -. 0 2 - mA
Current "L" Level 10L 2 except 0UT-9,10 Irore1.0ir .
o0T-9,10 ports 0.5 1.0 -
Operating Frequency fopr - 0.64 6.4 64 kHz
OSC Frequency fOSC - Rx=33k0, Cx=8200pF - '6.4 - kHz
- In case of Auto-Clear "
Auto Clear Voltage VCL - function by mask option - 3. 5 3.8 Il
Note 1.
fixed 3 level Input by mask option.
TEST CIRCUIT 1.
. OUT-l - 10
I/O-l~4
TEST CIRCUIT 2.
ou'r-1~ 10
1/o-1~4_
The value of IDs is guaranteed in case of no fixed Auto-Clear function and no
VDD= 50V
._u-1>l. ti': 'itettet"ireq , - i'gtdENi .
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. ''rM312lil \\ _ ""''c.r.1'"i'i"i.i-"l'i'i'_ir'''_
FLOW CHART OPERATION
. KEY INPUT _ _
CHATTERING PREVENTING .'
k TIME: (10 ms)
T CLEAR ALL
_) - OUTPUT PORTS
T STATE OF KEY MATRIX _
Is AVAILABLE ? NOT AVAILABLE
AVAILABLE
TRANSFER START ADDRESS . ' SET START .
ADDRESS 'o
TRANSFER OUTPUT DATA
T0 OUTPUT PORTS
STOP ST-1~v10 so no BRO BM
COMMAND COMMAND COMMAND COMMAND couuaun COMMAND
TRANSFER SET TIMER N0 - = I l? TRANSFER
MODE DATA TO P.D..0 P.D.0 KEY IN 1 . MODE DATA TO
MODE LINE SET DATA DOWN COUNT MODE LINE)
TIMER DOWN
WAIT COUNT !
COMMAND
T
YES Jr ox NEXT-STEPTO
ANOTHER STATE
- TRANSFER
NEXT-STEP
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OSCILLATION FREQUENCY (fOSC) CHARACTERISTICS
(1) fosc - VDD (fosty=6.4kHz)
Rx= G3 kn,
Cx=00082uF
(2) X - Cx (fosczs2.15/Rxtea6.4kHz)
(1001 G003 (1005 tull _ 006
. ex ON-.;
_: A'dt al'dll."GTa"il) .:AUD|D DIGITAL ICEWET-E
I -919-
www.ic-phoenix.com
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