STM804 STMICROELECTRONICS [STMicroelectronics], STM804 Datasheet - Page 25

• Manufacturer Part Number: STM804
• Description: 3V Supervisor with Battery Switchover
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Note: 1. Valid for Ambient Operating Temperature: T
Reset Thresholds
V
Push-button Reset Input (STM704/806)
Watchdog Timer (NOT available on STM704/795/806)
Chip-Enable Gating (STM795 only)
t
RST
t
Sym
MLMH
MLRL
t
t
I
WD
rec
SC
10. The reset threshold tolerance is wider for V
2. V
3. V
4. Tested at V
5. Guaranteed by design.
6. The leakage current measured on the RST pin (STM804/805) or RST pin (STM795) is tested with the reset output not asserted
7. Not valid for STM795/804/805 (open drain).
8. When V
9. When V
(10)
RST tested at V
can go to 0V if the other is greater than 2.0V.
(output high impedance).
oscillation.
CC
CC
E-to-E
native
Alter-
Reset-to-E
t
supply current, logic input leakage, Watchdog functionality, Push-button Reset functionality, PFI functionality, state of RST and
(min) = 1.0V for T
t
MRD
MR
E-to-E
BAT
SW
CON
E
BAT
> V
CON
> V
CON
CC
Propagation Delay
Watchdog Timeout Period
= 3.6V, V
CC
BAT
MR to RST Output Delay
CON
Short Circuit Current
> V
> V
Resistance
= 3.6V, and V
RST Pulse Width
WDI Pulse Width
Reset Threshold
MR Pulse Width
BAT
SW
High Delay
A
Description
= 0°C to +85°C.
CC
, V
, V
OUT
OUT
= 3.5V and 0V.
remains connected to V
remains connected to V
CC
= 5.5V. The state of RST or RST and PFO is tested at V
CC
A
= –40 to 85°C; V
rising than for V
704R/795R/
704S/795S/
704T/795T/
804R/806R
V
804S/806S
804T/806T
STM690S/
STM802S/
STM690R/
STM802R/
STM690T/
STM802T/
V
V
CC
RST
RST
805R
805T
805S
V
V
CC
CC
Test Condition
= 3.6V, Disable Mode,
CC
CC
(max) < V
(max) < V
until V
until V
V
E
= V
= V
CC
CON
CC
CC
< 3.6V
RST
RST
= V
CC
CC
falling due to the 10mV (typ) hysteresis, which prevents internal
= 0V
drops below V
drops below the battery voltage (V
V
V
V
V
V
V
RST
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
CC
CC
(max)
(max)
CC
CC
CC
CC
CC
CC
(max) to 5.5V; and V
< 3.6V
< 3.6V
Falling
Falling
Falling
Falling
Falling
Falling
(1)
Rising
Rising
Rising
Rising
Rising
Rising
STM690/704/795/802/804/805/806
SW
.
3.00
3.00
3.00
3.00
2.85
2.85
2.88
2.88
2.55
2.55
2.59
2.59
1.12
Min
140
100
100
0.1
CC
BAT
= V
= 2.8V (except where noted).
3.075
3.085
3.075
3.085
2.925
2.935
2.925
2.935
2.625
2.635
2.625
2.635
1.60
0.75
CC
Typ
200
20
60
20
46
10
2
BAT
(min). Either V
) – 75mV.
Max
3.15
3.17
3.12
3.14
3.00
3.02
3.00
3.02
2.70
2.72
2.70
2.72
2.24
280
500
2.0
7
CC
or V
Unit
25/31
mA
ms
ns
ns
ns
ns
µs
V
V
V
V
V
V
V
V
V
V
V
V
s
BAT