72
S-301
LC72720NM (IC506: 1U-3694)
NJM2596 (IC509: 1U-3695)
QT240 (IC306: 1U-3681)
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
Vref
MPXIN
Vdda
Vssa
FLOUT
CIN
T1
T2
T3 (RDCL)
T4 (RDDA)
T5 (RSFT)
XOUT
SYR
CE
DI
CL
DO
RDS-ID
SYNC
T7 (CORREC/ARI-ID/BEO)
T6 (ERROR/57K/BE1)
Vssd
Vddd
XIN
REFERENCE
VOLTAGE
ANTIALIASING
FILTER
57kHz
BPF
(SCF)
SMOOTHING
FILTER
PLL
(57kHz)
CLOCK
RECOVERY
(1167.5Hz)
RAM
(24 BLOCK DATA)
ERROR CORRECTION
(SOFT DECISION)
DATA
DECODER
SYNC/EC CONTROLLER
CCB
TEST
VREF
VREF
MEMORY CONTROL
OSC/DIVIDER
SYNC
DETECT-1
SYNC
DETECT-2
CLK(4.332MHz)
FLOUT
CIN
Vdda
Vssa
MPXIN
DO
CL
DI
CE
T1
T2
T3 T7
XIN
XOUT
Vddd
Vssd
RDS-ID
SYNC
SYR
1
12
13
24
9
11
12
SS/SYNC
OUT4
SNS4K
SNS3K
10
n.c.
n.c.
Sense pin (to Cs3, electrode); OPT1
SNS3K
20
Sense pin (to Rs3 + Cs3)
SNS3
19
Sense pin (to Cs4, electrode); OPT2
SNS4K
18
Sense pin (to Rs4 + Cs4)
SNS4
17
Ground or no connect
VSS
16
Oscillator bias in
OSC
15
Power: +4.0 to +5V locally regulated
VDD
14
Reset pin, active low. Can usually tie to Vdd.
/RES
13
Output, key 4
OUT4
12
Unbonded internally
n.c.
11
Unbonded internally
n.c.
10
Sync in and/or spread spectrum drive
SYNC/SS
9
Ground
VSS
8
Output, key 3
OUT3
7
Output, key 2
OUT2
6
Output, key 1
OUT1
5
Sense pin (to Cs1, electrode); speed option
SNS1K
4
Sense pin (to Rs1 + Cs1)
SNS1
3
Sense pin (to Cs2, electrode)
SNS2K
2
Sense pin (to Rs2 + Cs2)
SNS2
1
Description
Name
Pin
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TEL 13942296513
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299