m40z111w STMicroelectronics, m40z111w Datasheet

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m40z111w

Manufacturer Part Number
m40z111w
Description
5v Or 3v Nvram Supervisor For Up To Two Lpsrams
Manufacturer
STMicroelectronics
Datasheet

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5V OR 3V NVRAM SUPERVISOR FOR UP TO TWO LPSRAMs
FEATURES SUMMARY
May 2002
CONVERT LOW POWER SRAMs INTO
NVRAMs
PRECISION POWER MONITORING and
POWER SWITCHING CIRCUITRY
AUTOMATIC WRITE-PROTECTION WHEN
V
CHOICE OF SUPPLY VOLTAGES and
POWER-FAIL DESELECT VOLTAGES:
– M40Z111: V
– M40Z111W: V
LESS THAN 15ns CHIP ENABLE ACCESS
PROPAGATION DELAY (for 5.0V device)
PACKAGING INCLUDES A 28-LEAD SOIC and
SNAPHAT
SOIC PACKAGE PROVIDES DIRECT
CONNECTION FOR A SNAPHAT TOP WHICH
CONTAINS THE BATTERY
CC
THS = V
THS = V
THS = V
V
THS = V
CC
IS OUT-OF-TOLERANCE
= 2.7 to 3.3V
®
SS
OUT
SS
OUT
TOP (to be ordered separately)
; 4.5
; 2.8
CC
; 4.2
; 2.5
CC
= 4.5 to 5.5V
= 3.0 to 3.6V
V
V
V
V
PFD
PFD
PFD
PFD
4.75V
3.0V
4.5V
2.7V
Figure 1. 28-pin SOIC Package
28
SNAPHAT (SH)
SOH28 (MH)
Battery
1
M40Z111W
M40Z111
1/15

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m40z111w Summary of contents

Page 1

... IS OUT-OF-TOLERANCE CC CHOICE OF SUPPLY VOLTAGES and POWER-FAIL DESELECT VOLTAGES: – M40Z111 4.5 to 5.5V CC THS = V ; 4.5 V 4.75V SS PFD THS = V ; 4.2 V 4.5V OUT PFD – M40Z111W 3.0 to 3.6V CC THS = V ; 2.8 V 3.0V SS PFD V = 2.7 to 3.3V CC THS = V ; 2.5 V 2.7V OUT PFD LESS THAN 15ns CHIP ENABLE ACCESS PROPAGATION DELAY (for 5.0V device) PACKAGING INCLUDES A 28-LEAD SOIC and ® ...

Page 2

... M40Z111, M40Z111W TABLE OF CONTENTS SUMMARY DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Logic Diagram (Figure 2 Signal Names (Table 1 SOIC28 Connections (Figure 3 Hardware Hookup (Figure 4 MAXIMUM RATING Absolute Maximum Ratings (Table 2 AND AC PARAMETERS and AC Measurement Conditions (Table 3 Testing Load Circuit (Figure 5 Capacitance (Table 4 ...

Page 3

... Supply Voltage Output OUT V OUT V Supply Voltage CC V Ground SS E CON NC Not Connected Internally Figure 3. SOIC28 Connections V OUT AI02238B THS V SS M40Z111, M40Z111W M40Z111 22 NC M40Z111W ...

Page 4

... M40Z111, M40Z111W Figure 4. Hardware Hookup 3.0, 3. 1N5817 or 0.1 F MBR5120T3 Thereshold MAXIMUM RATING Stressing the device above the rating listed in the “Absolute Maximum Ratings” table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicat the Operating sections of this specification is Table 2 ...

Page 5

... IN (3) Output Capacitance C OUT Note: 1. Effective capacitance measured with power supply at 5V (M40Z111) or 3.3V (M40Z111W); sampled only, not 100% tested 25° 1MHz. 3. Outputs deselected ment Conditions listed in the relevant tables. De- signers should check that the operating conditions in their projects match the measurement condi- tions when using the quoted parameters ...

Page 6

... M40Z111, M40Z111W Table 5. DC Characteristics Sym Parameter I Supply Current CC Data Retention Mode I CCDR Current 0V Input Leakage Current I LI (2) 0V Output Leakage Current Current (Active) OUT1 OUT V V Current (Battery OUT I V OUT2 Back-up) V Battery Voltage BAT V Input High Voltage ...

Page 7

... Table 8, page 10). For more information on Battery Storage Life refer to the Application Note AN1012. rises CC M40Z111, M40Z111W is switched back to the supply OUT is held inactive for t CON , independent of the E input, to allow (min). The SRAM should PFD = 2 ...

Page 8

... M40Z111, M40Z111W Figure 6. Power Down Timing PFD (max) V PFD V PFD (min CON Figure 7. Power Up Timing PFD (max) V PFD V PFD (min tRB E V OHB E CON 8/15 tFB tWPT V OHB tR tER tEDH AI02396 tEDL AI02397 ...

Page 9

... Rise Time CC Rise Time M40Z111 M40Z111W M40Z111 M40Z111W M40Z111 M40Z111W = –40 to 85° 4.5 to 5.5V or 2.7 to 3.6V (except where noted Figure 8. Supply Voltage Protection anode M40Z111, M40Z111W Min Max Unit 300 µs 10 µs 10 µs 1 µ ...

Page 10

... M40Z111, M40Z111W PART NUMBERING Table 7. Ordering Information Scheme Example: Device Type M40Z Supply Voltage and Write Protect Voltage 111 = V = 4.5 to 5.5V 4.3 to 4.5V CC PFD THS = V = 4.5 V 4.75V SS PFD THS = V = 4.2 V 4.5V OUT PFD 111W = V = 2.7 to 3.6V 2.6 to 2.7V CC PFD THS = V = 2.8 V 3.0V SS PFD V = 2.7 to 3.3V CC THS = V = 2.5 V 2.7V OUT ...

Page 11

... Min Max Typ 3.05 0.05 0.36 2.34 2.69 0.36 0.51 0.15 0.32 17.71 18.49 8.23 8.89 – – 0.050 3.20 3.61 11.51 12.70 0.41 1.27 0° 8° 28 0.10 M40Z111, M40Z111W C L inches Min Max 0.120 0.002 0.014 0.092 0.106 0.014 0.020 0.006 0.012 0.697 0.728 0.324 0.350 – – 0.126 0.142 0.453 0.500 0.016 0.050 0° 8° 28 0.004 11/15 ...

Page 12

... M40Z111, M40Z111W Figure 10. 4-pin SNAPHAT Housing for 48mAh Battery, Package Outline Note: Drawing is not to scale. Table 10. 4-pin SNAPHAT Housing for 48mAh Battery, Package Mechanical Data Symbol Typ 12/ Min Max Typ 9.78 6.73 7.24 6.48 6.99 0.38 0.46 0.56 21.21 21.84 14.22 14.99 15.55 15.95 3.20 3.61 2.03 2. SHZP-A ...

Page 13

... Table 11. 4-pin SNAPHAT Housing for 120mAh Battery, Package Mechanical Data Symbol Typ Min Max Typ 10.54 8.00 8.51 7.24 8.00 0.38 0.46 0.56 21.21 21.84 17.27 18.03 15.55 15.95 3.20 3.61 2.03 2.29 M40Z111, M40Z111W SHZP-A inches Min Max 0.415 0.315 0.335 0.285 0.315 0.015 0.018 0.022 0.835 0.860 0.680 0.710 0.612 0.628 0.126 0.142 0.080 0.090 13/15 ...

Page 14

... M40Z111, M40Z111W REVISION HISTORY Table 12. Document Revision History Date September 2000 First Draft Issue Reformatted, TOC added, changed DC Characteristics (Table 5); changed battery, ind. 09/14/01 temperature information (Tables Figures 10, 11); Corrected SOIC label (Figure 3); added E2 to Hookup (Figure 4) 05/13/02 Modify reflow time and temperature footnote (Table 2) ...

Page 15

... All other names are the property of their respective owners. Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. © 2002 STMicroelectronics - All Rights Reserved STMicroelectronics GROUP OF COMPANIES www.st.com M40Z111, M40Z111W 15/15 ...

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