X5323S8IZ Intersil, X5323S8IZ Datasheet

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X5323S8IZ

Manufacturer Part Number
X5323S8IZ
Description
IC CPU SUPERV 32K EE 8-SOIC
Manufacturer
Intersil
Type
Simple Reset/Power-On Resetr
Datasheet

Specifications of X5323S8IZ

Number Of Voltages Monitored
1
Output
Open Drain or Open Collector
Reset
Active Low
Reset Timeout
100 ms Minimum
Voltage - Threshold
4.38V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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CPU Supervisor with 32kBit SPI EEPROM
These devices combine four popular functions, Power-on
Reset Control, Watchdog Timer, Supply Voltage Supervision,
and Block Lock Protect Serial EEPROM Memory in one
package. This combination lowers system cost, reduces
board space requirements, and increases reliability.
Applying power to the device activates the power-on reset
circuit which holds RESET/RESET active for a period of
time. This allows the power supply and oscillator to stabilize
before the processor can execute code.
The Watchdog Timer provides an independent protection
mechanism for microcontrollers. When the microcontroller
fails to restart a timer within a selectable time out interval,
the device activates the RESET/RESET signal. The user
selects the interval from three preset values. Once selected,
the interval does not change, even after cycling the power.
The device’s low V
system from low voltage conditions, resetting the system
when V
RESET/RESET is asserted until V
operating level and stabilizes. Five industry standard V
thresholds are available, however, Intersil’s unique circuits
allow the threshold to be reprogrammed to meet custom
requirements or to fine-tune the threshold for applications
requiring higher precision.
Block Diagram
CS/WDI
V
SCK
CC
SO
WP
CC
SI
falls below the minimum V
CC
detection circuitry protects the user’s
V
CC
DECODE AND
RESET LOGIC
®
COMMAND
REGISTER
CONTROL
THRESHOLD
LOGIC
DATA
1
CC
Data Sheet
CC
returns to proper
trip point.
WATCHDOG TRANSITION
DETECTOR
V
TRIP
1-888-INTERSIL or 1-888-468-3774
TRIP
PROTECT LOGIC
REGISTER
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
16kBITS
STATUS
8kBITS
8kBITS
+
-
Features
• Selectable watchdog timer
• Low V
• Determine watchdog or low voltage reset with a volatile
• Long battery life with low power consumption
• 32kbits of EEPROM
• Built-in inadvertent write protection
• 2MHz SPI interface modes (0,0 and 1,1)
• Minimize EEPROM programming time
• 2.7V to 5.5V and 4.5V to 5.5V power supply
• Available packages
• Pb-free (RoHS compliant)
- Five standard reset threshold voltages
- Re-program low V
- Reset signal valid to V
flag bit
- <50µA max standby current, watchdog on
- <1µA max standby current, watchdog off
- <400µA max active current during read
- Power-up/power-down protection circuitry
- Protect 0, 1/4, 1/2 or all of EEPROM array with Block
- In circuit programmable ROM mode
- 32-byte page write mode
- Self-timed write cycle
- 5ms write cycle time (typical)
operation
- 14 Ld TSSOP, 8 Ld SOIC, 8 Ld PDIP
special programming sequence
Lock
POWER-ON AND
TIMER RESET
LOW VOLTAGE
WATCHDOG
GENERATION
All other trademarks mentioned are the property of their respective owners.
CC
WATCHDOG
June 30, 2008
RESET AND
TIMEBASE
|
RESET
detection and reset assertion
protection
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005, 2008. All Rights Reserved
(Replaces X25323, X25325)
CC
reset threshold voltage using
CC
= 1V
X5323, X5325
RESET/RESET
X5323 = RESET
X5325 = RESET
FN8131.2

Related parts for X5323S8IZ

X5323S8IZ Summary of contents

Page 1

... All other trademarks mentioned are the property of their respective owners. X5323, X5325 (Replaces X25323, X25325) FN8131.2 detection and reset assertion reset threshold voltage using protection RESET/RESET X5323 = RESET X5325 = RESET RESET | Intersil (and design registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005, 2008. All Rights Reserved ...

Page 2

... X5323PI X5323P I X5325PI X5323PIZ (Note) X5323P ZI X5325PIZ X5323S8* X5323 X5325S8* X5323S8Z* (Note) X5323 Z X5325S8Z* (Note) X5323S8I* X5323 I X5325S8I* X5323S8IZ* (Note) X5323 ZI X5325S8IZ* (Note) X5323V14* X5323 V X5325V14* X5323V14Z* (Note) X5323 VZ X5325V14Z* (Note) X5323V14I* X5323 VI X5325V14I* X5323V14IZ* (Note) X5323 VZI X5325V14IZ* (Note) X5323P-2.7A X5323P AN X5325P-2 ...

Page 3

... X5325PZ-2.7 X5323PI-2.7 X5323P G X5325PI-2.7 X5323PIZ-2.7 (Note) X5323P ZG X5325PIZ-2.7 X5323S8-2.7* X5323 F X5325S8-2.7* X5323S8Z-2.7* (Note) X5323 ZF X5325S8Z-2.7* (Note) X5325 ZF X5323S8I-2.7* X5323 G X5325S8I-2.7* X5323S8IZ-2.7* (Note) X5323 ZG X5325S8IZ-2.7* (Note) X5325 ZG X5323V14-2.7* X5323 VF X5325V14-2.7* X5323V14Z-2.7* X5323 VZF X5325V14Z-2.7* (Note) (Note) X5323V14I-2.7* X5323 VG X5325V14I-2.7* X5323V14IZ-2.7* X5323 VZG X5325V14IZ-2 ...

Page 4

Pin Descriptions PIN NUMBER PIN NUMBER (SOIC/PDIP) TSSOP PIN NAME 1 1 CS/WDI SCK RESET/ RESET ...

Page 5

Principles of Operation Power-on Reset Application of power to the X5323/X5325 activates a power-on reset circuit. This circuit goes active at about 1V and pulls the RESET/RESET pin active. This signal prevents the system microprocessor from starting to operate with ...

Page 6

NEW V APPLIED = CC OLD V APPLIED + ERROR CC ERROR ≤ EMAX EMAX = MAXIMUM DESIRED ERROR FIGURE 3. V 4.7kΩ V TRIP ADJ. + PROGRAM 6 X5323, X5325 V PROGRAMMING TRIP EXECUTE RESET V TRIP SEQUENCE SET ...

Page 7

... SPI Serial Memory The memory portion of the device is a CMOS serial EEPROM array with Intersil’s block lock protection. The array is internally organized as x8. The device features a Serial Peripheral Interface (SPI) and software protocol allowing operation on a simple four-wire bus. The device utilizes Intersil’s proprietary Direct Write providing a minimum endurance of 100,000 cycles and a minimum data retention of 100 years ...

Page 8

STATUS REGISTER BITS ARRAY ADDRESSES PROTECTED BL1 BL0 X5323/X5325 0 0 None (factory default $0C00 to $0FFF 1 0 $0800 to $0FFF 1 1 $0000 to $0FFF The watchdog timer bits, WD0 and WD1, select the watchdog ...

Page 9

When the highest address is reached, the address counter rolls over to address $0000 allowing the read cycle to be continued indefinitely. The read operation is terminated by taking CS high. Refer to the read EEPROM Array Sequence (Figure 1). ...

Page 10

SCK SI HIGH IMPEDANCE SO FIGURE 7. WRITE ENABLE LATCH SEQUENCE SCK INSTRUCTION SCK DATA BYTE ...

Page 11

... This parameter is periodically sampled and not 100% tested. 11 X5323, X5325 Thermal Information Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp *Pb-free PDIPs can be used for through hole wave solder processing only. They are not intended for use in Reflow solder processing applications. SYMBOL ...

Page 12

Equivalent AC Load Circuit 2.06kΩ OUTPUT RESET/RESET 3.03kΩ 100pF AC Electrical Specifications Input pulse levels = V level = V PARAMETER SERIAL INPUT TIMING Clock Frequency Cycle Time CS Lead Time CS Lag Time Clock HIGH ...

Page 13

Serial Output Timing PARAMETER Clock Frequency Output Disable Time Output Valid From Clock Low Output Hold Time Output Rise Time Output Fall Time NOTES: 3. This parameter is periodically sampled and not 100% tested the time from ...

Page 14

RESET Output Timing SYMBOL V Reset Trip Point Voltage, X5323-4.5A, X5323-4.5A TRIP Reset Trip Point Voltage, X5323, X5325 Reset Trip Point Voltage, X5323-2.7A, X5325-2.7A Reset Trip Point Voltage, X5323-2.7, X5325-2 Hysteresis (HIGH to LOW vs LOW to HIGH ...

Page 15

V Set Conditions TRIP TRIP SCK Reset Conditions TRIP SCK > PROGRAMMED V CC TRIP V Programming Specifications TRIP PARAMETER ...

Page 16

V Programming Specifications TRIP PARAMETER t V Write Cycle Time WC TRIP t V Program Cycle Recovery Period (Between Successive Programming Cycles) RP TRIP t SCK V Program Voltage Off-Time Before Next Cycle VPO TRIP V Programming Voltage P V ...

Page 17

Typical Performance Curves 205 200 195 190 185 180 175 170 165 160 -40 25 TEMPERATURE (°C) FIGURE 14 TEMPERATURE PURST 17 X5323, X5325 205 200 195 +25°C 190 +90°C 185 180 175 170 165 160 90 1.7 ...

Page 18

Plastic Dual-In-Line Packages (PDIP) D SEATING PLANE MDP0031 PLASTIC DUAL-IN-LINE PACKAGE SYMBOL PDIP8 PDIP14 A 0.210 0.210 A1 0.015 0.015 A2 0.130 0.130 b 0.018 0.018 b2 0.060 0.060 c 0.010 0.010 D 0.375 0.750 E 0.310 ...

Page 19

Small Outline Package Family (SO PIN #1 I.D. MARK 0.010 SEATING PLANE 0.004 C 0.010 MDP0027 SMALL OUTLINE PACKAGE FAMILY (SO) SYMBOL SO-8 SO-14 ...

Page 20

... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...

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