Silan
Semiconductors
BLOCK DIAGRAM
XT
SC91310 Series
XT
7
HKS
B/M
MODE
8
10
5
13
15
16
17
18
1
2
3
4
D/A
CONVERTER
ROW&COLUMN
PROGRAMMABLE
COUNTER
DATA LATCH&
DECODER
KEYBOARD
INTERFACE
READ/WRITE
COUNTER
CONTROL
LOGIC
PULSE
CONTROL
LOGIC
SYSTEM CLOCK
GENERATION
R1
R2
R3
R4
C1
C2
C3
C4
9
11
T/P MUTE
DP
RAM
LOCATION
LATCH
DTMF
12
ABSOLUTE MAXIMUM RATINGS
Characteristic
DC Supply Voltage
Symbol
V
DD
-V
SS
V
IL
Value
-0.3~7.0
V
SS
-0.3
V
DD
+0.3
V
SS
-0.3
V
DD
+0.3
120
-20~+70
-55~+125
Unit
V
V
V
V
V
mW
°C
°C
Input / Output Voltage
V
IH
V
OL
V
OH
Power Dissipation
Operating Temperature
Storage Temperature
P
D
Topr
Tstg
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and
reliability of the device.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD.
Rev: 2.1
2002.12.03
2
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