STM6321RWY6F STMicroelectronics, STM6321RWY6F Datasheet - Page 4
![IC SUPERVISOR PB RESET SOT23-5](/photos/1/38/13847/497-sot-23-5_series_sml.jpg)
STM6321RWY6F
Manufacturer Part Number
STM6321RWY6F
Description
IC SUPERVISOR PB RESET SOT23-5
Manufacturer
STMicroelectronics
Type
Simple Reset/Power-On Resetr
Datasheet
1.STM6321SWY6F.pdf
(29 pages)
Specifications of STM6321RWY6F
Number Of Voltages Monitored
1
Output
Open Drain, Push-Pull
Reset
Active High/Active Low
Reset Timeout
140 ms Minimum
Voltage - Threshold
2.63V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SOT-23-5, SC-74A, SOT-25
Monitored Voltage
2.5 V, 3 V, 3.3 V, 5 V
Output Type
Push-Pull
Manual Reset
Not Resettable
Watchdog
Watchdog
Battery Backup Switching
No Backup
Supply Voltage (max)
7 V
Supply Voltage (min)
0.3 V
Supply Current (typ)
12 uA
Maximum Power Dissipation
320 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Power Fail Detection
No
Number Of Elements
1
Monitored Voltage 1 (typ)
2.5/3/3.3/5V
Threshold Voltage 1 (max)
2.66V
Watchdog Timer
Yes
Chip Enable Signals
No
Reset Active Time
280ms
Package Type
SOT-23
Operating Supply Voltage (min)
1V
Operating Supply Voltage (max)
5.5V
Reset Threshold Voltage (max)
2.66V
Reset Threshold Voltage (min)
2.59V
Family Name
STM6321
Power Dissipation
320mW
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
5
Supply Current
0.012mA
Undervoltage Threshold
2.59 V
Overvoltage Threshold
2.66 V
Power-up Reset Delay (typ)
280 ms
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-4660-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STM6321RWY6F
Manufacturer:
ST
Quantity:
20 000
List of figures
List of figures
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Logic diagram (STM6821/6822/6823) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Logic diagram (STM6321/6322/6824/6825) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
STM6822/6823 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
STM6821 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
STM6322/6825 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
STM6321/6824 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Block diagram (STM6821/6822/6823) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Block diagram (STM6321/6824) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Block diagram (STM6322/6825) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Hardware hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
STM6321/6322/6822 open drain RST output with multiple supplies . . . . . . . . . . . . . . . . . 10
Ensuring RST valid to V
Ensuring RST valid to V
Interfacing to microprocessors with bidirectional reset I/O . . . . . . . . . . . . . . . . . . . . . . . . . 12
V
Supply current vs. temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
MR-to-reset output delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Normalized power-up t
Normalized reset threshold voltage vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Normalized power-up watchdog timeout period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Voltage output low vs. I
Voltage output high vs. I
Maximum transient duration vs. reset threshold overdrive . . . . . . . . . . . . . . . . . . . . . . . . . 17
AC testing input/output waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
MR timing waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Watchdog timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
SOT23-5 – 5-lead small outline transistor package mechanical drawing . . . . . . . . . . . . . . 24
Carrier tape for SOT23-5 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
CC
-to-reset output delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
rec
SINK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
CC
CC
SOURCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
= 0, (active-low push-pull outputs). . . . . . . . . . . . . . . . . . . . . . 12
= 0, (active-high, push-pull outputs) . . . . . . . . . . . . . . . . . . . . 12
Doc ID 11110 Rev 10
STM6321/6322STM6821/6822/6823/6824/6825