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PDF HEF4528B Data sheet ( Hoja de datos )
| Número de pieza | HEF4528B | |
| Descripción | Dual monostable multivibrator | |
| Fabricantes | NXP Semiconductors | |
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HEF4528B
Dual monostable multivibrator
Rev. 7 — 22 November 2011
Product data sheet
1. General description
The HEF4528B is a dual retriggerable-resetable monostable multivibrator. Each
multivibrator has an active LOW input (nA), and active HIGH input (nB), an active LOW
clear direct input (nCD), an output (nQ) and its complement (nQ), and two external timing
component connecting pins (nCEXT, always connected to ground, and nREXT/CEXT).
An external timing capacitor (CEXT) must be connected between nCEXT and
nREXT/CEXT and an external resistor (REXT) must be connected between nREXT/CEXT
and VDD. The output pulse duration is determined by the external timing components
CEXT and REXT. A HIGH-to-LOW transition on nA when nB is LOW or a LOW-to-HIGH
transition on nB when nA is HIGH produces a positive pulse (LOW-HIGH-LOW) on nQ
and a negative pulse (HIGH-LOW-HIGH) on nQ if the nCD is HIGH. A LOW on nCD
forces nQ LOW, nQ HIGH and inhibits any further pulses until nCD is HIGH.
It operates over a recommended VDD power supply range of 3 V to 15 V referenced to VSS
(usually ground). Unused inputs must be connected to VDD, VSS, or another input.
2. Features and benefits
Fully static operation
5 V, 10 V, and 15 V parametric ratings
Standardized symmetrical output characteristics
Specified from 40 C to +85 C
Complies with JEDEC standard JESD 13-B
3. Ordering information
Table 1. Ordering information
All types operate from 40 C to +85 C.
Type number
Package
Name
Description
HEF4528BP
DIP16
plastic dual in-line package; 16 leads (300 mil)
HEF4528BT
SO16
plastic small outline package; 16 leads; body width 3.9 mm
Version
SOT38-4
SOT109-1
1 page  
NXP Semiconductors
HEF4528B
Dual monostable multivibrator
8. Recommended operating conditions
Table 5.
Symbol
VDD
VI
Tamb
t/V
Recommended operating conditions
Parameter
Conditions
supply voltage
input voltage
ambient temperature
in free air
input transition rise and fall rate
VDD = 5 V
VDD = 10 V
VDD = 15 V
9. Static characteristics
Min Typ Max
3-
15
0-
40 -
VDD
+85
- - 3.75
- - 0.5
- - 0.08
Unit
V
V
C
s/V
s/V
s/V
Table 6. Static characteristics
VSS = 0 V; VI = VSS or VDD; unless otherwise specified.
Symbol Parameter
Conditions
VDD
VIH HIGH-level
input voltage
IO < 1 A
5V
10 V
15 V
VIL LOW-level
input voltage
IO < 1 A
5V
10 V
15 V
VOH HIGH-level output voltage IO < 1 A
5V
10 V
15 V
VOL LOW-level output voltage IO < 1 A
5V
10 V
15 V
IOH HIGH-level output current VO = 2.5 V
5V
VO = 4.6 V
5V
VO = 9.5 V
10 V
VO = 13.5 V
15 V
IOL LOW-level output current VO = 0.4 V
5V
VO = 0.5 V
10 V
VO = 1.5 V
15 V
II input leakage current
15 V
IDD supply current
all valid input
combinations;
IO = 0 A
5V
10 V
15 V
CI input capacitance
-
Tamb = 40 C Tamb = +25 C Tamb = +85 C Unit
Min Max Min Max Min Max
3.5 - 3.5 - 3.5 - V
7.0 - 7.0 - 7.0 - V
11.0 - 11.0 - 11.0 - V
- 1.5 - 1.5 - 1.5 V
- 3.0 - 3.0 - 3.0 V
- 4.0 - 4.0 - 4.0 V
4.95 - 4.95 - 4.95 - V
9.95 - 9.95 - 9.95 - V
14.95 - 14.95 - 14.95 - V
- 0.05 - 0.05 - 0.05 V
- 0.05 - 0.05 - 0.05 V
- 0.05 - 0.05 - 0.05 V
- 1.7 - 1.4 - 1.1 mA
- 0.52 - 0.44 - 0.36 mA
- 1.3 - 1.1 - 0.9 mA
- 3.6 - 3.0 - 2.4 mA
0.52 - 0.44 - 0.36 - mA
1.3 - 1.1 - 0.9 - mA
3.6 - 3.0 - 2.4 - mA
- 0.3 - 0.3 - 1.0 A
- 20 - 20 - 150 A
- 40 - 40 - 300 A
- 80 - 80 - 600 A
- - - 7.5 - - pF
HEF4528B
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 22 November 2011
© NXP B.V. 2011. All rights reserved.
5 of 17
5 Page 
NXP Semiconductors
HEF4528B
Dual monostable multivibrator
12. Application information
An example of a HEF4528B application is:
• Non-retriggerable monostable multivibrator
trigger
input
VDD
REXT
nB
nCD
nQ
nREXT/CEXT monostable
nA nQ
CEXT
nCEXT
001aaj493
a. Rising edge triggered
Fig 8. Non-retriggerable applications
VDD
REXT
nB
nCD
nQ
trigger
input
nREXT/CEXT monostable
nA nQ
CEXT
nCEXT
001aaj492
b. Falling edge triggered
HEF4528B
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 22 November 2011
© NXP B.V. 2011. All rights reserved.
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