STM704 STMicroelectronics, STM704 Datasheet - Page 5

• Manufacturer Part Number: STM704
• Description: 5V Supervisor
• Manufacturer: STMicroelectronics

Specifications of STM704

• Operating Temperature: –40 °C to +85 °C (industrial grade)

STM690A/692A/703/704/802/805/817/818/819
List of figures
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Figure 32.
Figure 33.
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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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