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HCF4098B

DUAL MONOSTABLE MULTIVIBRATOR

■ RETRIGGERABLE/RESETTABLE

CAPABILITY

■ TRIGGER AND RESET PROPAGATION

DELAYS INDEPENDENT OF R

■ TRIGGERING FROM LEADING OR

, C

X

X

TRAILING EDGE

■ Q AND Q BUFFERED OUTPUT AVAILABLE

■ SEPARATE RESETS

■ WIDE RANGE OF OUTPUT PULSE WIDTHS

■

QUIESCENT CURRENT SPECIFIED UP TO

20V

■ 5V, 10V AND 15V PARAMETRIC RATINGS

■ INPUT LEAKAGE CURRENT

= 100nA (MAX) AT VDD = 18V TA = 25°C

I

I

■ 100% TESTED FOR QUIESCENT CURRENT

■ MEETS ALL REQUIREMENTS OF JEDEC

JESD13B " STANDARD SPECIFICAT IONS
FOR DESCRIPTI ON OF B SERI ES CMOS
DEVICES"

DESCRIPTION

The HCF4098B is a m onolithic integrated circuit
fabricated in Metal Oxide Semiconductor
technology available in DIP and SOP packages.
The HCF4098B dual precision monostable
multivibrator provides stable retriggerable/
resettable one-shot operation for any fixed voltage
timing application. An external resistor (R
an external capacitor (C
the circuit. Adjustment of R

) control the timing for

X

and CX provides a

X

) and

X

DIP SOP

ORDER CODES

PACKAGE TUBE T & R

DIP HCF4098BEY

SOP HCF4098BM1 HCF4098M013TR

wide range of output pulse widths from t he Q and
Q

terminals. The time delay from trigger input to
output transition (trigger propagation delay) and
the time delay from reset input to output transition
(reset propagation delay) and the time delay from
reset input to o utput transition (reset propagation
delay) are independent of R

and CX. Leading

X

edge triggering (+TR) and trailing edge triggering
(-TR) inputs are provided for triggering from either
edge of an input pulse. An unused +TR input
shoul d b e t i ed t o V
be tied to V

DD

. An unused -TR input should

SS

. A RESET (on low leve l) is provi ded
for immediate termination of the output pulse or to
prevent output pulses w hen power is turned on.

PIN CONNECTION

1/10September 2001

HCF4098B

An unused RESET input should be tied to VDD .
However, if an ent ire section of the HCF4098 B is
not used, its reset should be tied to V

(see table

SS

1). In normal operation the circuit triggers (extends
the output pulse one period) on the appl ication of
each new trigger pulse. For operation in the
non-retiggerable mode, Q

is connected to -TR
when leading edge triggering (+TR) is used or Q is
connected to +TR when trailing edge triggering
(-TR) is used. The time period (T) for this

multivibrator can be calculated by : T = 1/2 R
for CX > 0.01µF. The min. value of external
resistance, R

, is 5KΩ. The max. values of

X

external capacitan ce, C
pulse width has variations of ±2.5% typically, over
the temperature range of -55 °C to 125 °C for

=1000pF and RX = 100KΩ . For power sup ply

C

X

variation of ±5% typically , for V
and ±1% typically for V
and R

= 5KΩ .

X

IINPUT EQUIVALENT CIRCUIT PIN DESCRIPTION

PIN No SYMBOL NAME AND FUNCTION

4, 12 +TR Leading Trigger Inputs
5, 11 -TR Trailing Trigger Inputs
3, 13 RE SET Reset Inputs

1, CX2

1, 15
2, 14

6, 7 Q1, Q1

10, 9 Q2, Q2

8

16

C

X

R

XCX

R

XCX

V

SS

V

DD

, is 100 µF. T he output

X

= 10V and 15V

DD

= 5V at CX = 1000pF

DD

External Capacitors

1

External resistors to Vdd

2

Ouputs Mono 1
Outputs Mono 2
Negative Supply Voltage

Positive Supply Voltage

X CX

FUNCTIONAL DIAGRAM

2/10

TABLE 1 : Func ti onal Termi nal Co nnections

HCF4098B

Input Pulse to

Term. N°

Other Connections

FUNCTION

to Term. N° VSS to Term. N°

V

DD

Mono (1) Mono (2) Mono (1) Mono (2) Mono (1) Mono (2) Mono (1) Mono (2)

Leading Edge Trigger/

Retriggerable

Leading Edge Trigger/Non

Retriggerable

Trailing Edge Trigger/

Retriggerable

Trailing Edge Trigger/Non

Retriggerable

3, 5 11, 13 4 12

3 13 4 12 5, 7 11, 9

3 13 4 12 5 11

3 13 5 11 4, 6 12, 10

Unused Section 5 11 3, 4 12, 13

A Retriggerable one-shot multivibrator has an output pulse width which is extended on full time period (T) after application of the last trigger
pulse .
A Non-Retriggerable one-s hot multiv ibrator has a time period (T ) referenced from th e application of the fir s t ri gger pulse .

LOGIC DIAGRAM

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

V

P

T

T

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied.
All voltage values are referred to V

Supply Voltage

DD

DC Input Voltage -0.5 to VDD + 0.5

I

I

DC Input Current

I

Power Dissipation per Package 200 mW

D

-0.5 to +22 V

± 10 mA

Power Dissipation per Output Transistor 100 mW
Operating Temperature

op

Storage Temperature

stg

pin voltage.

SS

-55 to +125 °C

-65 to +150 °C

V

3/10

HCF4098B

RECOMMENDED OPERATING CONDITIONS

Symbol Parameter Value Unit

V

V

T

DC SPECIFICATIONS

Symbol Parameter

I

L

V

OH

V

OL

V

IH

V

IL

I

OH

I

OL

I

I

C

I

The Noi se Margin fo r both "1" and "0" level is: 1V min. with VDD=5V, 2V min. with VDD=10V, 2.5V min. with VDD=15V

Supply Voltage

DD

Input Voltage 0 to V

I

Operating Temperature

op

3 to 20 V

DD

-55 to 125 °C

Test Condition Value

V

(V)

= 25°C

V

I

(V)

|I

|

O

O

(µA)

V

DD

(V)

A

Min. Typ. Max. Min. Max. Min. Max.

-40 to 85°C -55 to 125°C

T

Quiescent Current 0/5 5 0.02 1 30 30

0/10 10 0.02 2 60 60
0/15 15 0.02 4 120 120
0/20 20 0.04 20 600 600

High Level Output

0/5 <1 5 4.95 4.95 4.95

Voltage

0/15 <1 15 14.95 14.95 14.95

Low Level Output

5/0 <1 5 0.05 0.05 0.05

Voltage

15/0 <1 15 0.05 0.05 0.05

High Level Input

0.5/4.5 <1 5 3.5 3.5 3.5

Voltage

1.5/13.5 <1 15 11 11 11

Low Level Input

4.5/0.5 <1 5 1.5 1.5 1.5

Voltage

13.5/1.5 <1 15 4 4 4

Output Drive
Current

0/5 2.5 <1 5 -1.6 -3.2 -1.3 -1.3

0/5 4.6 <1 5 -0.51 -1 -0.42 -0.42
0/10 9.5 <1 10 -1.3 -2.6 -1.1 -1.1
0/15 13.5 <1 15 -3.4 -6.8 -2.8 -2.8

Output Sink

0/5 0.4 <1 5 -0.51 1 -0.42 -0.42

Current

0/15 1.5 <1 15 -3.4 6.8 -2.8 -2.8

Input Leakage
Current

Input Capacitance

0/18 Any Input 18

Any Input 5 7.5 pF

±10

-5

±0.1 ±1 ±1 µA

V

Unit

µA

V0/10 <1 10 9.95 9.95 9.95

V10/0 <1 10 0.05 0.05 0.05

V1/9 <1 10 7 7 7

V9/1 <1 10 3 3 3

mA

mA0/10 0.5 <1 10 -1.3 2.6 -1.1 -1.1

4/10

HCF4098B

DYNAMIC ELECTRICAL CHARACTERISTICS (T

Symbol Parameter

t

PLH tPHL

t

WH tWL

t

t

t

PLH tPHL

t

t

r, tf

Propagation Delay Time
+TR or -TR to Q or Q

Trigger Pulse Width

Transition Time

TLH

Transition Time

THL

Propagation Delay Time
(Reset)

Pulse Width (reset)

WR

(TR) Rise or Fall Time (trigger)

Pulse Width Match Between
Circuits in Same Package

(*) Typical temperature coefficient for a ll VDD value is 0.3 %/°C.

(KΩ)C

R

X

5 to 10000 >15

5 to 10000 >

5 to 10000 >

5 to 10000 15 to 10000

5 to 10000

5 to 10000

5 to 10000 >

100

10 10000

= 25°C, CL = 50pF, RL = 200KΩ, tr = tf = 20 ns)

amb

Test Condition Value (*) Unit

(pF) VDD (V)

X

Min. Typ. Max.

5 250 500

15 100 200

514070

15

15 40 20

5 100 200

15

15 40 80

5 100 200
10 50 100
15 40 80

0.01µF

to 0.1µF

0.1µF

to 1µF

5 150 300
10 75 150
15 65 130

5 250 500
10 150 300
15 80 160

5 225 450

15

15 75 150

5 200 100

15

10 80 40
15 60 30

5 1200 600

1000

10 600 300
15 500 250

5 50 250

0.1µF
15 20 10

5 to 15 100 µs

5510

15 7.5 15

ns10 125 250

ns10 60 30

ns10 50 100

ns

ns10 125 250

ns

µs10 30 15

%10 7.5 15

5/10

HCF4098B

TEST CIRCUIT

CL = 50pF or equivalent (in cludes jig and probe capaci tance)

= 200KΩ

R

L

R

= Z

of pulse generator (typically 50Ω)

T

OUT

6/10

HCF4098B

7/10

HCF4098B

Plastic DIP-16 (0.25) MECHANICAL DATA

mm. inch

DIM.

MIN. TYP MAX. MIN. TYP. M AX.

a1 0.51 0.020

B 0.77 1.65 0.030 0.065
b 0.5 0.020

b1 0.25 0.010

D 20 0.787
E 8.5 0.335
e 2.54 0.100

e3 17.78 0.700

F 7.1 0.280

I 5.1 0.201
L 3.3 0.130
Z 1.27 0.050

8/10

P001C

SO-16 MECHANICAL DATA

HCF4098B

DIM.

A 1.75 0.068

a1 0.1 0.2 0.003 0.007
a2 1.65 0.064

b 0.35 0.46 0.013 0.018

b1 0.19 0.25 0.007 0.010

C 0.5 0.019

c1 45° (typ.)

D 9.8 10 0.385 0.393
E 5.8 6.2 0.228 0.244
e 1.27 0.050

e3 8.89 0.350

F 3.8 4.0 0.149 0.157
G 4.6 5.3 0.181 0.208
L 0.5 1.27 0.019 0.050

M 0.62 0.024

S8° (max.)

MIN. TYP MAX. M IN. TYP. MAX.

mm. inch

PO13H

9/10

HCF4098B

Information furnished is bel ieved to be accurate and reliable. However, STMicroe lectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from
its use. No li cense is granted by i mp lication or otherwise under a ny patent or patent rig hts of STMicroelectronics. S pec ificat ions
mentioned in this publication ar e subject to change without notice. This publication supersedes and replaces all information
previously supplied. S TMicroelectronics products are not authorized for use as critica l components in life suppo rt devices or
systems without express written approval of STMicroelectronics.

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