ht6p20d Holtek Semiconductor Inc., ht6p20d Datasheet - Page 2

• Manufacturer Part Number: ht6p20d
• Description: Ht6p20x -- 2^24 Otp Encoder
• Manufacturer: Holtek Semiconductor Inc.

Pin Assignment
Pin Description
HT6P20D
Approximate internal connection circuits
Rev. 1.40
Pin No.
16
1~3
4
5~8
9
10
11
12
13
14
15
Pin Name
D0~D3
VSS
NC
OSC2
OSC1
DOUT
VDD
VPP
SIO
PGM
I/O
I/O
O
O
I
I
I
I
OSCILLATOR
OSCILLATOR
Connection
CMOS OUT
CMOS IN
CMOS IN
Pull-high
Pull-high
Internal
IN/OUT
CMOS
Data input and transmission enable (active low)
They can be externally set to VSS or left open.
Negative power supply, ground
No connection
Oscillator output pin
Oscillator input pin
Data serial transmission output
Positive power supply
Programming power supply, V
Programming address/control code input and mode code output for
mode verification
Program mode control pin, active low
2
Description
DD
for normal operation
HT6P20X Series
June 20, 2003