HOLT HI-8105CDM, HI-8105CDI, HI-8105PST, HI-8105PSI, HI-8105PDT Datasheet

January2001

HI-8105&HI-8106

DESCRIPTION

TheHI-8105&HI-8106aresilicongateCMOSdevices
designedfor'glue'logicapplications.Theyaresimple16
stagedividerswithprogrammabledivision.TheHI-8105
hasaonepinoscillatorwhiletheHI-8106receivesaclock
input.Theonepinoscillatorfrequencyissetbyaresistor
toVDDandthecapacitancetoACgroundatthepin.

Thewaferprocessingenablesoperationto1voltguaran­teed.Thechipisdesignedforlowpowerperformance.As
aresultthemaximumoutputfrequencyis5MHzwhilethe
internallogicwillrunconsiderablyhigher.

Acompanionversion,HI-8107,featuresacrys taloscillator
circuitanda8stageprogrammabledivider.

FEATURES

PINCONFIGURATION

VDD

2

VSS

3

OUT

4 5

A0

SUPPLYVOLTAGES

VDD =1Vto5V

FUNCTIONTABLE

A3 A2 A1 A0 OUT

0 0 0 0 DIV by 2
0 0 0 1 4
0 0 1 0 8
0 0 1 1 16
0 1 0 0 32
0 1 0 1 64
0 1 1 0 128
0 1 1 1 256

1 0 0 0 512
1 0 0 1 1024
1 0 1 0 2048
1 0 1 1 4096
1 1 0 0 8192
1 1 0 1 16384
1 1 1 0 32768
1 1 1 1 65536

OSConHI-8105

81

{

CLKonHI-8106

7

A3

6

A2
A1

PINDESCRIPTIONTABLE

PIN SYMBOL FUNCTION DESCRIPTION

1 VDD SUPPLY POSITIVE SUPPLY, 1V TO 5V
2 VSS SUPPLY GROUND
3 OUT LOGIC OUTPUT CMOS
4 A0 LOGIC INPUT CMOS
5 A1 LOGIC INPUT CMOS
6 A2 LOGIC INPUT CMOS
7 A3 LOGIC INPUT CMOS
8 OSC (8105) INPUT/OUTPUT RC - CONNECT TO VDD

8 CLK (8106) LOGIC INPUT CMOS

HOLTINTEGRATEDCIRCUITS

(DS8105Rev.A)01/01

1

HI-8105&HI-8106

FUNCTIONALDESCRIPTION

TheHI8105andHI-8106are16stageserialcounters.
Eachstage'sQisinputtoa1of16decoder.A4bitcodeat
pins4through7selectswhichstageisroutedtotheoutput
atpin3.Thecounterclocksonthenegativetransitionof
pin8.

Figure1showstheoscillatorcircuitoftheHI-8105.The
chargingtimeiscontrolledbyadelaycircuitandthe
hystersiswindow.Thewindowistypically0.6Vwideat
VDD=5.0V.

Figure2showsthebondingoptionwhichomitstheN
devicepulldownandtherebyallowsthesimpleclockinput
oftheHI-8106.

APPLICATIONINFORMATION

TheHI-8105oscillatorfrequencyissetbyselectingare­sistorandcapacitortoapplyatpin8.Typicalparameters
atroomtemperatureare:

OSCILLATORFREQUENCYDATA

VDD

C R

o o

clock

pin8

delay

FIGURE1-HI-8105Oscillator

pin8 clock

FIGURE2-HI-8106ClockInput

Co=100pF Co=1nF
Ro VDD=5V VDD=1V VDD=5V VDD=1V
1K Ω 7.80MHz - 2.12MHz ­3K Ω 4.22MHz 914KHz 1.10MHz 231KHz
10K Ω 1.46MHz 464KHz 359KHz 100KHz
100K Ω 165KHz 64KHz 39.6KHz 12KHz

ORDERINGINFORMATION

PART PACKAGE TEMPERATURE BURN LEAD

NUMBER DESCRIPTION RANGE FLOW IN FINISH

HI-8105PDI 8 PIN PLASTIC DIP -40°C TO +85°C I NO SOLDER
HI-8105PDT 8 PIN PLASTIC DIP -55°C TO +125°C T NO SOLDER
HI-8105PSI 8 PIN PLASTIC NARROW BODY SOIC -40°C TO +85°C I NO SOLDER
HI-8105PST 8 PIN PLASTIC NARROW BODY SOIC -55°C TO +125°C T NO SOLDER
HI-8105CDI 8 PIN CERAMIC SIDE BRAZED DIP -40°C TO +85°C I NO GOLD
HI-8105CDT 8 PIN CERAMIC SIDE BRAZED DIP -55°C TO +125°C T NO GOLD
HI-8105CDM 8 PIN CERAMIC SIDE BRAZED DIP -55°C TO +125°C M YES SOLDER
HI-8105CRI 8 PIN CERDIP -40°C TO +85°C I NO SOLDER
HI-8105CRT 8 PIN CERDIP -55°C TO +125°C T NO SOLDER
HI-8105CRM 8 PIN CERDIP -55°C TO +125°C M YES SOLDER

Note:TheHI-8106isavailableinthesameoptions

HOLTINTEGRATEDCIRCUITS

2