Philips SA56614-20, SA56614-27, SA56614-28, SA56614-29, SA56614-30 Technical data

SA56614-20

INTEGRATED CIRCUITS

SA56614-XX

CMOS system reset

Product data

2001 Jun 19

Supersedes data of 2001 Apr 24

File under Integrated Circuits, Standard Analog

P s

on o s

Philips Semiconductors	Product data
CMOS system reset	SA56614-XX

GENERAL DESCRIPTION

The SA56614-XX is a CMOS device designed to generate a reset signal for a variety of microprocessor and logic systems. Accurate reset signals are generated during momentary power interruptions, or whenever power supply voltages sag to intolerable levels.

Several reset threshold versions of the device are available. A totem-pole output topology is incorporated to provide both current source and sink capability to the user.

SA56614-XX is available in the SOT23-5 surface mount package.

FEATURES

APPLICATIONS

•12 VDC maximum operating voltage

•Microcomputer systems

•Low operating voltage (0.65 V)

•Logic systems

•Totem pole CMOS output

•Battery monitoring systems

•Offered in reset thresholds of

•Back-up power supply circuits

2.0, 2.7, 2.8, 2.9, 3.0, 3.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7 VDC

•Voltage detection circuits

•Available in SOT23-5 surface mount package

SIMPLIFIED SYSTEM DIAGRAM

VDD

VDD

2

VDD

NE56614-XX

R

VOUT

CPU

VREF

1

RESET

R

R

VSS

3

VSS

VSS

SL01343

Figure 1. Simplified system diagram.

2001 Jun 19

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853±2248 26559

Philips Semiconductors	Product data
CMOS system reset	SA56614-XX

ORDERING INFORMATION

	TYPE NUMBER	PACKAGE		TEMPERATURE
		NAME	DESCRIPTION	RANGE
	SA56614-XXGW	SOT23-5, SOT25, SO5	plastic small outline package; 5 leads (see dimensional drawing)	±40 to +85 °C

NOTE:

The device has twelve detection voltage options, indicated by the

XX on the `Type number'.

XX	DETECT VOLTAGE (Typical)
20	2.0 V
27	2.7 V
28	2.8 V
29	2.9 V
30	3.0 V
31	3.1 V
42	4.2 V
43	4.3 V
44	4.4 V
45	4.5 V
46	4.6 V
47	4.7 V

Part number marking

Each package is marked with a four letter code. The first three letters designate the product. The fourth letter, represented by `x', is a date tracking code. For example, AALB is device AAW (the

SA56614-28 reset) produced in time period `B'.

Part number	Marking
SA56614-20	A A U x
SA56614-27	A A V x
SA56614-28	A A W x
SA56614-29	A A X x
SA56614-30	A A Y x
SA56614-31	A A Z x
SA56614-42	A B A x
SA56614-43	A B B x
SA56614-44	A B C x
SA56614-45	A B D x
SA56614-46	A B E x
SA56614-47	A B F x

PIN CONFIGURATION							PIN DESCRIPTION
							PIN	SYMBOL		DESCRIPTION
							1	VOUT		Reset HIGH output.
VOUT	1			5	N/C
							2	VDD		Positive supply.
			SA56614-XX				3	VSS		Ground. Negative supply.
VDD	2
							4	N/C		No connection.
VSS					N/C		5	N/C		No connection.
	3			4

SL01360

Figure 2. Pin configuration.

MAXIMUM RATINGS

SYMBOL	PARAMETER	MIN.	MAX.	UNIT
VDD	Power supply voltage	±0.3	12	V
VOUT	Output voltage	±	VSS ± 0.3	V
IOUT	Output current	±	50	mA
Toper	Operating temperature	±40	85	°C
Tstg	Storage temperature	±40	125	°C
P	Power dissipation	±	150	mW

2001 Jun 19

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Philips Semiconductors	Product data
CMOS system reset	SA56614-XX

DC ELECTRICAL CHARACTERISTICS

Characteristics measured with Tamb = 25 °C, unless otherwise specified.

	SYMBOL	PARAMETER	CONDITIONS	TEST	MIN.	TYP.	MAX.	UNIT
				CIRCUIT
	VS	Reset detection threshold			VS ± 2%	VS	VS + 2%	V
	DVS	Hysteresis	VDD = 0 V → VS + 1.0 V → 0 V	1	VS × 0.03	VS × 0.05	VS × 0.08	V
	VS/DT	Threshold voltage temperature	±40 °C ≤ Tamb ≤ +85 °C		±	±0.01	±	%/°C
				Fig. 16
		coefficient
	ICC	Supply current	VDD = VS + 1.0 V		±	0.25	1.0	mA
	IOH	IDS leakage current when OFF	VDD = VDS = 10 V	3	±	±	0.1	mA
				Fig. 18
	INDS1	N-channel IDS output sink current 1	VDD = 1.2 V; VDS = 0.5 V		±0.23	±1.4	±	mA
	INDS2	N-channel IDS output sink current 2	VDS = 0.5 V; VDD = 2.4 V	2	±1.6	±8.3	±	mA
		(for VS > 2.6 V)		Fig. 17
	INDS3	N-channel IDS output sink current 3	VDS = 0.5 V; VDD = 3.6 V		±3.2	±14.7	±	mA
		(for VS > 3.9 V)
	IPDS1	P-channel IDS output source current 1	VDS = 0.5 V; VDD = 4.8 V		0.36	2.1	±	mA
		(for VS < 4.0 V)
	IPDS2	P-channel IDS output source current 2	VDS = 0.5 V; VDD = 6.0 V;	3	0.46	2.5	±	mA
		(for VS < 5.7 V)	4.0 V < VS < 5.7 V	Fig. 18
	IPDS3	P-channel IDS output source current 3	VDS = 0.5 V; VDD = 8.4 V		0.59	3.3	±	mA
		(for VS < 5.7 V)

2001 Jun 19

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Philips Semiconductors	Product data
CMOS system reset	SA56614-XX

TYPICAL PERFORMANCE CURVES

	0.50
	0.45	VDD = VS + 1.0 V
		NORMALIZED TO 25 °C
(mA)	0.40
CURRENT	0.35
	0.30
, SUPPLY	0.25
	0.20
DD
I
	0.15
	0.10
	±50	±25	0	25	50	75	100	125
				Tamb, TEMPERATURE (°C)
								SL01344

Figure 3. Supply current versus temperature.

(mV)	200
			VS(HYS) = VSH ± VSL
			(VCC RISING ± VCC FALLING)
HYSTERESIS	150
, DETECTION	100
	50
S(HYS)
V
	0
	±50		±25			0		25		50		75		100		125
								Tamb, TEMPERATURE (°C)
																SL01346

Figure 5. Detection hysteresis versus temperature.

	5.0
		TAMB = 25 °C
	4.0	TYPICAL CHARACTERISTIC.
(V)		DETECTION AND RELEASE
		VOLTAGE POINTS DEPEND ON
VOLTAGE
		THE SPECIFIC DEVICE TYPE.
	3.0				VS(HYS)
OUTPUT					)	)
	2.0				SL	SH
					(V	(V
,					DETECTION	RELEASE
OUT	1.0
V
	0
	0	1.0	2 .0	3.0	4.0	5.0	6.0

VDD, SUPPLY VOLTAGE (V)

SL01348

Figure 7. Output voltage versus supply voltage.

+0.20

+0.15

VCC FALLING

(V)

VS NORMALIZED TO 25 °C

THRESHOLD

+0.10

+0.05

NORMALIZED,

VS

±0.05

S

±0.10

±0.15

V

±0.20

±50

±25

0

25

50

75

100

125

Tamb, TEMPERATURE (°C)

SL01345

Figure 4. Detection threshold versus temperature.

	3.0
		VDS = 0.5 V
(mA)	2.5
CURRENT	2.0
				N-CHANNEL
	1.5
FET
, OUTPUT	1.0
					P-CHANNEL
DS	0.5
I
	0
	±50	±25	0	25	50	75	100	125
				Tamb, TEMPERATURE (°C)
								SL01347

Figure 6. Output FET current versus temperature.

	0.6
		TAMB = 25 °C
	0.5
μA)
(	0.4
CURRENT
	0.3
, SUPPLY	0.2
DD	0.1
I
	0
	0	1.0	2.0	3.0	4.0	5.0	6.0	7.0	8.0	9.0	10
				VDD, SUPPLY VOLTAGE (V)

SL01349

Figure 8. Supply current versus supply voltage.

2001 Jun 19

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