MOTOROLA MC34164P-3RP, MC34164P-4.6RA, MC34164P-4.6RP, MC34164P-5RA, MC34164P-3RA Datasheet

Order this document by MC34164/D

Micropower Undervoltage

Sensing Circuits

The MC34164 series are undervoltage sensing circuits specifically designed for use as reset controllers in portable microprocessor based systems where extended battery life is required. These devices offer the designer an economical solution for low voltage detection with a single external resistor. The MC34164 series features a bandgap reference, a comparator with precise thresholds and built±in hysteresis to prevent erratic reset operation, an open collector reset output capable of sinking in excess of 6.0 mA, and guaranteed operation down to 1.0 V input with extremely low standby current. These devices are packaged in 3±pin TO±226AA, 8±pin SO±8 and Micro±8 surface mount packages.

Applications include direct monitoring of the 3.0 or 5.0 V MPU/logic power supply used in appliance, automotive, consumer, and industrial equipment.

•Temperature Compensated Reference

•Monitors 3.0 V (MC34164±3) or 5.0 V (MC34164±5) Power Supplies

•Precise Comparator Thresholds Guaranteed Over Temperature

•Comparator Hysteresis Prevents Erratic Reset

•Reset Output Capable of Sinking in Excess of 6.0 mA

•Internal Clamp Diode for Discharging Delay Capacitor

•Guaranteed Reset Operation With 1.0 V Input

•Extremely Low Standby Current: As Low as 9.0 μA

•Economical TO±226AA, SO±8 and Micro±8 Surface Mount Packages

Representative Block Diagram

Input 2 (2)

Reset

1 (1)

1.2 Vref

Gnd 3 (4)

= Sink Only

Positive True Logic

Pin numbers adjacent to terminals are for the 3±pin TO±226AA package. Pin numbers in parenthesis are for the 8±lead packages.

This device contains 28 active transistors.

MC34164

MC33164

MICROPOWER

UNDERVOLTAGE

SENSING CIRCUITS

SEMICONDUCTOR

TECHNICAL DATA

P SUFFIX
PLASTIC PACKAGE			Pin	1. Reset
CASE 29
(TO±226AA)				2. Input
	1 2			3. Ground
	3
D SUFFIX
PLASTIC PACKAGE			8
CASE 751				1
(SO±8)
DM SUFFIX
PLASTIC PACKAGE			8
CASE 846A				1
(Micro±8)
Reset	1	8	N.C.
Input	2	7	N.C.
N.C.	3	6	N.C.
Ground	4	5	N.C.
	(Top View)

ORDERING INFORMATION

		Operating
	Device	Temperature Range	Package
	MC34164D±3		SO±8
	MC34164D±5
	MC34164DM±3	TA = 0° to +70°C	Micro±8
	MC34164DM±5
	MC34164P±3		TO±226AA
	MC34164P±5
	MC33164D±3		SO±8
	MC33164D±5
	MC33164DM±3	TA = ±40° to +125°C	Micro±8
	MC33164DM±5
	MC33164P±3		TO±226AA
	MC33164P±5

Motorola, Inc. 1996

Rev 1

MC34164 MC33164

MAXIMUM RATINGS

Rating	Symbol	Value	Unit
Power Input Supply Voltage	Vin	±1.0 to 12	V
Reset Output Voltage	VO	±1.0 to 12	V
Reset Output Sink Current	ISink	Internally	mA
		Limited
Clamp Diode Forward Current, Pin 1 to 2 (Note 1)	IF	100	mA
Power Dissipation and Thermal Characteristics
P Suffix, Plastic Package
Maximum Power Dissipation @ TA = 25°C	PD	700	mW
Thermal Resistance, Junction±to±Air	RθJA	178	°C/W
D Suffix, Plastic Package
Maximum Power Dissipation @ TA = 25°C	PD	700	mW
Thermal Resistance, Junction±to±Air	RθJA	178	°C/W
DM Suffix, Plastic Package
Maximum Power Dissipation @ TA = 25°C	PD	520	mW
Thermal Resistance, Junction±to±Air	RθJA	240	°C/W
Operating Junction Temperature	TJ	+150	°C
Operating Ambient Temperature Range	TA		°C
MC34164 Series		0 to +70
MC33164 Series		± 40 to + 85
Storage Temperature Range	Tstg	± 65 to +150	°C

NOTE: ESD data available upon request.

MC34164±3, MC33164±3 SERIES

ELECTRICAL CHARACTERISTICS (For typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies [Notes 2 & 3], unless otherwise noted.)

			Characteristic		Symbol			Min	Typ	Max	Unit
	COMPARATOR
	Threshold Voltage										V
	High State Output (Vin Increasing)					VIH		2.55	2.71	2.80
	Low State Output (Vin Decreasing)					VIL		2.55	2.65	2.80
	Hysteresis (ISink = 100 μA)						VH	0.03	0.06	±
	RESET OUTPUT
	Output Sink Saturation					VOL					V
	(Vin = 2.4 V, ISink = 1.0 mA)							±	0.14	0.4
	(Vin = 1.0 V, ISink = 0.25 mA)							±	0.1	0.3
	Output Sink Current (Vin, Reset = 2.4 V)					ISink		6.0	12	30	mA
	Output Off±State Leakage				I		R(leak)				μA
	(Vin,		Reset = 3.0 V)					±	0.02	0.5
	(Vin,		Reset = 10 V)					±	0.02	1.0
	Clamp Diode Forward Voltage, Pin 1 to 2 (IF = 5.0 mA)						VF	6.0	0.9	1.2	V
	TOTAL DEVICE
	Operating Input Voltage Range						Vin	1.0 to 10	±	±	V
	Quiescent Input Current						Iin				μA
	Vin = 3.0 V							±	9.0	15
	Vin = 6.0 V							±	24	40
	NOTES: 1. Maximum package power dissipation limits must be observed.
			2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
			3. Tlow = 0°C for MC34164	Thigh = + 70°C for MC34164
			± 40°C for MC33164	= + 85°C for MC33164

2	MOTOROLA ANALOG IC DEVICE DATA

MC34164 MC33164

MC34164±5, MC33164±5 SERIES

ELECTRICAL CHARACTERISTICS (For typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies [Notes 2 & 3], unless otherwise noted.)

			Characteristic		Symbol			Min	Typ	Max	Unit
	COMPARATOR
	Threshold Voltage										V
	High State Output (Vin Increasing)					VIH		4.15	4.33	4.45
	Low State Output (Vin Decreasing)					VIL		4.15	4.27	4.45
	Hysteresis (ISink = 100 μA)						VH	0.02	0.09	±
	RESET OUTPUT
	Output Sink Saturation					VOL					V
	(Vin = 4.0 V, ISink = 1.0 mA)							±	0.14	0.4
	(Vin = 1.0 V, ISink = 0.25 mA)							±	0.1	0.3
	Output Sink Current (Vin, Reset = 4.0 V)					ISink		7.0	20	50	mA
	Output Off±State Leakage				I		R(leak)				μA
	(Vin,		Reset = 5.0 V)					±	0.02	0.5
	(Vin,		Reset = 10 V)					±	0.02	2.0
	Clamp Diode Forward Voltage, Pin 1 to 2 (IF = 5.0 mA)						VF	0.6	0.9	1.2	V
	TOTAL DEVICE
	Operating Input Voltage Range						Vin	1.0 to 10	±	±	V
	Quiescent Input Current						Iin				μA
	Vin = 5.0 V							±	12	20
	Vin = 10 V							±	32	50
	NOTES: 2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
			3. Tlow = 0°C for MC34164	Thigh = + 70°C for MC34164
			± 40°C for MC33164	= + 85°C for MC33164

Figure 1. MC3X164±3 Reset Output

Voltage versus Input Voltage

	10
	8.0	RL = 82 k to Vin
(V)		TA = 25°C
VOLTAGE	6.0
OUTPUT	4.0
,	2.0
O
V
	0	2.0	4.0	6.0	8.0	10
	0
			Vin, INPUT VOLTAGE (V)

Figure 2. MC3X164±5 Reset Output

Voltage versus Input Voltage

	10
	8.0	RL = 82 k to Vin
(V)		TA = 25°C
VOLTAGE	6.0
OUTPUT	4.0
,	2.0
O
V
	0	2.0	4.0	6.0	8.0	10
	0
			Vin, INPUT VOLTAGE (V)

MOTOROLA ANALOG IC DEVICE DATA	3