STM6904 STMicroelectronics, STM6904 Datasheet

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STM6904

Manufacturer Part Number
STM6904
Description
Quad, ultralow voltage supervisor with push-button reset
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM6904

Primary Supply (vcc) Monitor. Fixed (factory -programmed) Reset Thresholds
3.078 to 2.188 V
Second Fixed (v2in) Monitor. Fixed (factory-programmed) Reset Thresholds
2.333 to 1.110 V
Operating Temperature
–40 to 85 °C (industrial grade)

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STM6904PWEDS6
Manufacturer:
ST
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Manufacturer:
STMicroelectronics
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Part Number:
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Manufacturer:
ST
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Company:
Part Number:
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Quantity:
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Part Number:
STM6904SYEDS6F
Manufacturer:
ST
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Part Number:
STM6904TGEDS6E
Manufacturer:
ST
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ST
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Part Number:
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Quantity:
4 000
Features
Table 1.
1.
December 2011
STM6904TZEDS6F
STM6904TWEDS6F
STM6904TGEDS6F
STM6904SYEDS6F
STM6904SFEDS6F
STM6904PWEDS6F
Quad voltage monitoring
Accurate ±1.8% across temperature voltage
threshold (±1% at 25 °C)
Primary supply (V
programmed) reset thresholds: 3.078
to 2.188 V
Second fixed (V2IN) monitor. Fixed (factory-
programmed) reset thresholds: 2.333
to 1.110 V
Two additional adjustable supply monitor
inputs (externally adjustable)
0.6 V internal reference
RST output (open drain)
Output guaranteed for V
Reset delay time (t
Manual reset input (MR)
Low supply current of 12 µA (typ)
Power supply voltage 0.8 to 5.5 V
RoHS compliant (green package)
8-pin MSOP/TSSOP
Operating temperature: –40 to 85 °C (industrial
grade)
ST sales office for availability.
Other reset threshold voltages and t
Order code
Device summary
CC
REC
) monitor. Fixed (factory -
) pin selectable
CC
V
RST1
3.078
3.078
3.078
2.955
2.955
2.866
≥ 0.8 V
(1)
REC
(V)
timeout periods are offered. Minimum order quantities may apply. Contact local
Doc ID 14289 Rev 3
V
RST2
2.333
1.683
1.110
2.188
1.050
1.683
Quad, ultralow voltage supervisor
(V)
Applications
Set-top boxes
Multi-voltage systems
Cable/satellite applications
Computer systems
Data storage equipment
t
REC
210
210
210
210
210
210
with push-button reset
(ms)
(TSSOP8) (DS)
MSOP8
MSOP8(TSSOP8)
MSOP8(TSSOP8)
MSOP8(TSSOP8)
MSOP8(TSSOP8)
MSOP8(TSSOP8)
MSOP8(TSSOP8)
STM6904
Package
www.st.com
1/20
1

Related parts for STM6904

STM6904 Summary of contents

Page 1

... Operating temperature: – °C (industrial grade) Table 1. Device summary Order code V RST1 STM6904TZEDS6F STM6904TWEDS6F STM6904TGEDS6F STM6904SYEDS6F STM6904SFEDS6F STM6904PWEDS6F 1. Other reset threshold voltages and t ST sales office for availability. December 2011 Quad, ultralow voltage supervisor ≥ 0.8 V Applications ■ Set-top boxes ■ Multi-voltage systems ■ ...

Page 2

... Setting the adjustable voltage levels for V3IN and V4IN inputs . . . . . . . . . 9 3.2 Power on reset (t 4 Voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 8 Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 9 Package marking information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2/ REC Doc ID 14289 Rev 3 STM6904 ...

Page 3

... STM6904 List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 2. Signal names and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Table 3. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table 4. DC and AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 5. TSSOP 8-lead package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 6. Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Table 7. Marking description Table 8. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Doc ID 14289 Rev 3 List of tables ...

Page 4

... List of figures List of figures Figure 1. Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 2. MSOP/TSSOP-8 connections Figure 3. Functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 4. Typical hardware hookup application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 5. MR timing waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Figure 6. Voltage monitoring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Figure 7. TSSOP8 3mm, package mechanical outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4/20 Doc ID 14289 Rev 3 STM6904 ...

Page 5

... Once asserted, RST is maintained low for a minimum delay period (t monitored supplies rise above their respective thresholds and MR returns to high. This device is in the correct reset output logic state when V The STM6904 is available in a standard 8-lead MSOP (TSSOP) package. Figure 1. Logic diagram Figure 2 ...

Page 6

... REC If pin is tied high ( Input If pin is tied low ( Note: Pin must be tied to V Output Active-low open drain reset output (10 kΩ internal pull-up) Doc ID 14289 Rev 3 STM6904 Function . Two t options available. REC = 420 ms REC = 210 ms REC or V (do not float) CC ...

Page 7

... STM6904 2 Pin descriptions 2.1 Push-button reset input (MR) When MR goes low the RST output is driven low, RST remains low as long low and for t after MR returns to high. The active-low input has an internal 10 kΩ pull-up resistor REC can be driven from a TTL or CMOS logic line, or with open drain/collector outputs, ...

Page 8

... Pin descriptions Figure 3. Functional block diagram 1. Internal pull- input of 10 kΩ (typ.). Figure 4. Typical hardware hookup application diagram 1. TR must be tied SEL CC REC 8/20 = 420 ms 210 ms). SS REC Doc ID 14289 Rev 3 STM6904 ...

Page 9

... V2IN, V3IN, and V4IN). 3.2 Power on reset (t On power up, the STM6904 activates a power on reset circuit which asserts the reset pin (i.e. RST goes low). The RST signal remains active until V MR) rises above the minimum voltage level for the time period t the supply voltage has stabilized to sufficient operating levels. ...

Page 10

... Voltage monitoring 4 Voltage monitoring Figure 5. MR timing waveforms t MLMH MR t MLMR RST Figure 6. Voltage monitoring diagram 10/20 t REC Doc ID 14289 Rev 3 STM6904 ai13974 ...

Page 11

... STM6904 5 Maximum rating Stressing the device above the rating listed in cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in parameters of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics™ ...

Page 12

... V = 100 µA CC SINK ≥ SINK ≥ SINK 25 °C T (falling) - °C 25 °C S (falling) - °C 25 °C P (falling) - °C Doc ID 14289 Rev 3 STM6904 Min. Typ. Max. Unit 0.8 5 µ µA 500 800 µA -0.5 +0.5 µA -0.5 +0.5 µA ...

Page 13

... STM6904 Table 4. DC and AC characteristics (continued) Alter- Sym- Description bol native ( V2IN reset threshold RST2 TH2 Reset threshold V HYST hysteresis RST delay RD CC (5) t REC t RST timeout period RP Adjustable reset comparator input (V3IN and V4IN) V3IN, V4IN input V RSTIN ...

Page 14

... Other reset threshold voltages are offered. Minimum order quantities may apply. Contact local sales office for availability. 5. Other t timeout periods are offered. Minimum order quantities may apply. Contact local sales office for availability. REC 14/20 (1) Test condition = –40 to +85 ° 0.8 to 5.5 V (except where noted Doc ID 14289 Rev 3 STM6904 Min. Typ. Max. Unit 100 ns 10 kΩ ...

Page 15

... STM6904 7 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ECOPACK trademark. Figure 7. TSSOP8 3mm, package mechanical outline ...

Page 16

... Typ. Max. 1.10 0.00 0.15 0.75 0.85 0.95 0.22 0.40 0.08 0.23 0.10 2.80 3.00 3.20 0.65 4.65 4.90 5.15 2.80 3.00 3.10 0.40 0.60 0.80 0.95 0.25 0° 4 6° 8 Doc ID 14289 Rev 3 STM6904 inches Min. Typ. Max. 0.043 0.000 0.006 0.030 0.034 0.037 0.009 0.016 0.003 0.009 0.004 0.110 0.118 0.126 0.026 0.183 0.193 0.203 0.110 0.118 0.122 0.016 0.024 0.032 0.037 0.010 0° 4 6° ...

Page 17

... Shipping method ® ECOPACK package, tubes ® ECOPACK package, tape and reel 1. Other reset threshold voltages and t Contact local sales office for availability. STM6904 (1) V RST2 2.333 1.683 1.110 2.188 1.050 1.683 timeout periods are offered. Minimum order quantities may apply. ...

Page 18

... Package marking information 9 Package marking information Table 7. Marking description Part marking V RST1 STM6904TZEDS6F 3.078 STM6904TWEDS6F 3.078 STM6904TGEDS6F 3.078 STM6904SFEDS6F 2.955 STM6904SYEDS6F 2.955 STM6904PWEDS6F 2.866 18/20 (V) V (V) RST2 2.333 MSOP (TSSOP8) 1.683 MSOP (TSSOP8) 1.110 MSOP (TSSOP8) 1.050 MSOP (TSSOP8) 2.188 MSOP (TSSOP8) 1.683 ...

Page 19

... STM6904 10 Revision history Table 8. Document revision history Date 19-Dec-2007 28-Jan-2008 16-Dec-2011 Revision 1 Initial release. 2 Updated cover page, Removed label “Preliminary Data”, document reformatted, minor text 3 corrections throughout document, updated and Disclaimer. Doc ID 14289 Rev 3 Revision history Changes Figure 6 and Table 4 ...

Page 20

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 20/20 Please Read Carefully: © 2011 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 14289 Rev 3 STM6904 ...

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