HTC555 Datasheet, PDF (1/6 Pages) List of Unclassifed Manufacturers – GENERAL PURPOSE CLOCK GENERATOR

HIGH TECH
CHIPS, INC.
GENERAL PURPOSE CLOCK GENERATOR
1.0 General description.
HTC555 is a general-purpose clock generator. It requires no
external components and provides wide range of clock
PDIP, SOIC
frequencies. It’s very easy to use and provides general clock
1 ^VDD
GND
8
solution in wide range of applications. It is very simple to design 2 ^{CLKOUT D0} 7
and operate. Output frequency is determined by value of D[0:4].
Refer to Output frequency table.
3 ^D4
4 ^D3
D1
6
D2
5
Features
HTC555
• Single chip solution.
• Replaces clock generator.
• Has one percent frequency accuracy at room temperature.
• Has ten percent frequency accuracy over temperature range and VDD voltage range.
• Requires no external components for operation.
2.0 Application.
Typical connection diagram.
VDD
VDD
1
10
2
9
3
8
4
7
5
6
FREQUENCY SELECTION
R1 R2 R3 R4 R5
10K 10K 10K 10K 10K
HTC555
7
6 ^D0
5
4
3
D1
D2
D3
D4
1
VDD
CLKOUT ²
GND ⁸
C1
100n
CLOCK OUTPUT
01/04/00
1