STM704 STMicroelectronics, STM704 Datasheet - Page 36

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

Specifications of STM704

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

DC and AC parameters
Table 7.
1. Valid for ambient operating temperature: T
2. V
3. V
4. Tested at V
5. Guaranteed by design.
6. WDI input is designed to be driven by a three-state output device. To float WDI, the “high impedance mode” of the output
7. When V
8. When V
9. For V
36/43
Push-button reset input (STM703/704/819)
Watchdog timer (NOT available on STM703/704/819)
Chip-enable gating (STM818 only)
t
t
Sym
MLMH
MLMR
t
REC
“M” versions; and V
RST
Either V
device must have a maximum leakage current of 10 µA and a maximum output capacitance of 200 pF. The output device
must also be able to source and sink at least 200 µA when active.
CC
CC
supply current
and RST tested at V
(min) = 1.0 V for T
CC
native
Alter-
CC
BAT
RST
t
falling.
t
t
MRD
WD
MR
or V
BAT
DC and AC characteristics (continued)
> V
> V
BAT
= 3.6 V, V
CC
CC
RST pulse width
MR pulse width
MR to RST output delay
MR glitch immunity
MR pull-up resistor
Watchdog timeout period
WDI pulse width
E to E
E to E
delay
Reset to E
E
CON
,
> V
> V
can go to 0 V if the other is greater than 2.0 V.
BAT
logic input leakage
RST
BAT
A
CON
CON
short circuit current
Description
= 2.8 V (except where noted).
= 0 °C to +85 °C.
BAT
CC
, V
, V
CON
resistance
propagation
OUT
OUT
= 3.5 V and 0 V.
= 3.6 V, and V
remains connected to V
remains connected to V
high delay
,
watchdog functionality
A
CC
= –40 to 85 °C; V
= 5.5 V. The state of RST or RST and PFO is tested at V
E = logic high, E
V
V
Doc ID 10522 Rev 10
V
RST
RST
CC
MR = 0 V, V
4.5 V < V
V
Test condition
= 5 V, disable mode,
CC
(max) < V
(max) < V
(Power-down)
STM703/704
STM703/704
CC
CC
STM819
STM819
STM819
= V
until V
until V
CC
,
RST
CC
push
= 4.75 V to 5.5 V for “L” versions; V
CC
CC
CC
CC
CC
< 5.5 V
CON
STM690A/692A/703/704/802/805/817/818/819
(max)
-
button reset functionality, PFI functionality, state
= 5 V
drops below V
drops below the battery voltage (V
< 5.5 V
< 5.5 V
(1)
= 0 V
RST
1.12
Min
140
150
0.1
45
50
1
.
1.60
0.75
Typ
200
120
100
CC
63
40
15
2
= 4.5 V to 5.5 V for
CC
BAT
= V
) – 75 mV.
CC
Max
2.24
280
250
150
2.0
85
(min).
7
of
Unit
mA
ms
k
ns
µs
ns
ns
ns
ns
ns
µs
s