STM706P STMicroelectronics, STM706P Datasheet - Page 4

• Manufacturer Part Number: STM706P
• Description: 3V Supervisor
• Manufacturer: STMicroelectronics

Specifications of STM706P

• Stm706/708 T: 3.00 V ≤ VRST≤ 3.15 V S
• Operating Temperature: –40 °C to 85 °C (industrial grade)

List of figures
List of figures
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Logic diagram (STM706T/S/R and STM706P) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Logic diagram (STM708T/S/R) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
STM706T/S/R and STM706P SO8 connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
STM706T/S/R and STM706P TSSOP8 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
STM708T/S/R SO8 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
STM708T/S/R TSSOP8 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Block diagram (STM706T/S/R and STM706P) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Block diagram (STM708T/S/R) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Hardware hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Reset output valid to ground circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Interfacing to microprocessors with bi-directional reset I/O . . . . . . . . . . . . . . . . . . . . . . . . 13
Supply current vs. temperature (no load) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
V
Reset comparator propagation delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Power-up t
Normalized reset threshold vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Watchdog timeout period vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
PFI to PFO propagation delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Output voltage vs. load current (V
RST output voltage vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
RST output voltage vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Power-fail comparator response time (assertion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Power-fail comparator response time (de-assertion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Maximum transient duration vs. reset threshold overdrive . . . . . . . . . . . . . . . . . . . . . . . . . 20
AC testing input/output waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Power-fail comparator waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
MR timing waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Watchdog timing (STM706T/S/R and STM706P) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
SO8 – 8-lead plastic small outline, 150 mils body width,
package mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
TSSOP8 – 8-lead, thin shrink small outline, 3 x 3 mm body size, outline. . . . . . . . . . . . . . 28
PFI
threshold vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
rec
vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Doc ID 10518 Rev 11
CC
= 5 V; T
A
= 25 °C) . . . . . . . . . . . . . . . . . . . . . . . . . . 18
STM706T/S/R, STM706P, STM708T/S/R