3
12
Series of Decoders
Pin Description
Pin Name
A0~A11
D8~D11
DIN
VT
OSC1
OSC2
VSS
VDD
I/O
I
O
I
O
I
O
¾
¾
Internal
Connection
Description
TRANSMISSION Input pins for address A0~A11 setting
GATE
They can be externally set to VDD, VSS, or left open.
CMOS OUT
CMOS IN
CMOS OUT
OSCILLATOR
OSCILLATOR
¾
¾
Output data pins
Serial data input pin
Valid transmission, active high
Oscillator input pin
Oscillator output pin
Negative power supply, ground
Positive power supply
Approximate internal connections
T R A N S M IS S IO N
G A T E
C M O S O U T
C M O S IN
O S C IL L A T O R
E N
O S C 1
O S C 2
Absolute Maximum Ratings
Supply Voltage...............................-0.3V to 13V
Input Voltage....................V
SS
-0.3
to V
DD
+0.3V
Storage Temperature.................-50°C to 125°C
Operating Temperature ..............-20°C to 75°C
Note: These are stress ratings only. Stresses exceeding the range specified under
²Absolute
Maxi-
mum Ratings² may cause substantial damage to the device. Functional operation of this device
at other conditions beyond those listed in the specification is not implied and prolonged expo-
sure to extreme conditions may affect device reliability.
4
December 13, 1999
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
