STM6822 STMicroelectronics, STM6822 Datasheet - Page 21

• Manufacturer Part Number: STM6822
• Description: Reset + Watchdog
• Manufacturer: STMicroelectronics

STM6321/6322STM6821/6822/6823/6824/6825
Table 6.
Reset thresholds
V
t
Sym-
rec
V
RST
bol
OH
(6)
(5)
native
Alter-
DC and AC characteristic (continued)
(V
Reset threshold hysteresis
Output high voltage (RST)
Output high voltage (RST)
RST
falling at 1 mV/µs)
V
Reset pulse width
Reset threshold
– V
CC
Description
CC
to RST delay
= 100 mV, V
CC
Doc ID 11110 Rev 11
V
V
V
V
V
Reset asserted (0 °C to 85 °C)
CC
CC
V
CC
CC
CC
CC
STM6xxxM
STM6xxxS
STM6xxxR
STM6xxxY
STM6xxxL
STM6xxxT
STM6xxxZ
≥ 2.55 V, I
≥ 4.25 V, I
≥ 2.7 V, I
≥ 1.5 V, I
≥ 4.5 V, I
, Reset not asserted
≥ 1.0 V, I
Reset not asserted
T/S/R/Z/Y versions
Test condition
Reset asserted
Reset asserted
Reset asserted
L/M versions
Blank
SOURCE
SOURCE
SOURCE
SOURCE
SOURCE
SOURCE
A
J
–40 to 85 °C
–40 to 85 °C
–40 to 85 °C
–40 to 85 °C
–40 to 85 °C
–40 to 85 °C
–40 to 85 °C
= 500 µA,
= 100 µA,
= 500 µA,
= 800 µA,
= 800 µA
(1)
25 °C
25 °C
25 °C
25 °C
25 °C
25 °C
25 °C
= 1 µA,
0.8 V
0.8 V
0.8 V
0.8 V
0.8 V
0.8 V
4.561
4.514
4.314
4.270
3.040
3.000
2.890
2.857
2.590
2.564
2.266
2.243
1.970
1.950
Min
140
240
Package mechanical data
1
CC
CC
CC
CC
CC
CC
4.630
4.390
3.080
2.930
2.630
2.300
2.000
Typ
360
200
1.4
10
20
5
4.699
4.746
4.446
4.490
3.110
3.150
2.960
3.000
2.660
2.696
2.335
2.358
2.030
2.050
Max
280
480
2
21/29
Unit
mV
mV
ms
ms
ms
µs
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V