STM818L/M STMicroelectronics, STM818L/M Datasheet - Page 5

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STM818L/M

Manufacturer Part Number
STM818L/M
Description
5V Supervisor
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM818L/M

Operating Temperature
–40 °C to +85 °C (industrial grade)
STM690A/692A/703/704/802/805/817/818/819
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Figure 16.
Figure 17.
Figure 18.
Figure 19.
Figure 20.
Figure 21.
Figure 22.
Figure 23.
Figure 24.
Figure 25.
Figure 26.
Figure 27.
Figure 28.
Figure 29.
Figure 30.
Figure 31.
Figure 32.
Figure 33.
Figure 34.
Figure 35.
Figure 36.
Figure 37.
Figure 38.
Figure 39.
Figure 40.
Figure 41.
Figure 42.
Figure 43.
Figure 44.
Logic diagram (STM690A/692/802/805/817) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Logic diagram (STM703/704/819) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Logic diagram (STM818) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
STM690A/692A/802/805/817 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
STM703/704/819 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
STM818 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Block diagram (STM690A/692A/802/805/817) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Block diagram (STM703/704/819) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Block diagram (STM818) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Hardware hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Chip-enable gating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Chip-enable waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Power-fail comparator waveform (STM817/818/819) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power-fail comparator waveform (STM690A/692A/703/704/802/805) . . . . . . . . . . . . . . . . 17
Using a SuperCap™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Freshness seal enable waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
V
V
Supply current vs. temperature (no load) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Battery current vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
V
Reset comparator propagation delay vs. temperature (other than STM817/818/819) . . . . 22
Reset comparator propagation delay vs. temperature (V
Power-up t
Normalized reset threshold vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Watchdog time-out period vs. temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
E to E
PFI to PFO propagation delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Output voltage vs. load current (V
Output voltage vs. load current (V
RST output voltage vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
RST output voltage vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
RST response time (assertion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
RST response time (assertion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Power-fail comparator response time (assertion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Power-fail comparator response time (de-assertion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Maximum transient duration vs. reset threshold overdrive . . . . . . . . . . . . . . . . . . . . . . . . . 30
E to E
E to E
AC testing input/output waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
MR timing waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Watchdog timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
SO8 - 8-lead plastic small outline, 150 mils body width, package mechanical drawing . . . 38
TSSOP8 - 8-lead, thin shrink small outline, 3 x 3 mm body size, outline . . . . . . . . . . . . . . 39
CC
BAT
PFI
to V
threshold vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
to V
CON
CON
CON
OUT
OUT
on-resistance vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
propagation delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
propagation delay test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
REC
on-resistance vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
on-resistance vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Doc ID 10522 Rev 10
CC
CC
= 5 V; V
= 0 V; V
BAT
BAT
= 2.8 V; T
= 2.8 V; T
BAT
A
A
= 3.0 V; STM817/818/819) . 23
= 25 °C) . . . . . . . . . . . . . . . 26
= 25 °C) . . . . . . . . . . . . . . . 26
List of figures
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