STM6719 STMicroelectronics, STM6719 Datasheet - Page 19

• Manufacturer Part Number: STM6719
• Description: Dual/triple ultra-low voltage supervisors with push-button reset (with delay option)
• Manufacturer: STMicroelectronics

Specifications of STM6719

• Primary Supply (vcc1) Monitor. Fixed (factory-programmed) Reset Thresholds: 4.63 V to 1.58 V
• Fixed (factory-programmed) Reset Thresholds: 3.08 V to 0.79 V
• Tertiary Supply Monitor (using Externally Adjustable Rstin): 0.626 V internal reference
• Reset Delay Time (trec) On Power-up: 13.2 ms, 210 ms, 900 ms (typ)
• Operating Temperature: –40 °C to 85 °C (industrial grade)

STM6717/6718/6719/6720/STM6777/6778/6779/6780
Table 6.
Reset thresholds
V
Sym
I
I
I
RST
V
V
t
V
CC1
CC2
LI
I
R
LO
CC
OH
OL
(3)
(2)
(4)
native
Alter-
V
TH1
DC and AC characteristics
Output high voltage (RST;
Output low voltage (RST;
push-pull or open drain)
Push-pull RST rise time
Open drain RST output
Input leakage current
(STM6718/20/78/80)
V
V
V
Operating voltage
CC1
CC1
CC2
leakage current
push-pull only)
Description
reset threshold
supply current
supply current
Doc ID 11469 Rev 8
Rise time measured from 10% to
V
V
V
V
V
V
V
V
I
I
I
CC1
CC1
CC1
CC2
I
SINK
SINK
SINK
CC1
CC1
CC2
I
SINK
CC1
SINK
C
V
V
V
V
V
≥ 1.8 V, I
≥ 2.7 V, I
≥ 4.5 V, I
< 2.75 V, all I/O pins open
L
< 5.5 V, all I/O pins open
< 3.6 V, all I/O pins open
< 3.6 V, all I/O pins open
= 100 µA, RST asserted
= 1.2 mA, RST asserted
= 3.2 mA, RST asserted
CC1
CC1
CC1
CC1
CC1
> V
RST not asserted
RST not asserted
RST not asserted
RST not asserted
Test condition
= 50 µA, RST asserted
= 1 µA, RST asserted
= 5 pF, V
0 V = V
90% of V
RST1
or V
or V
or V
or V
or V
W (falling)
M (falling)
S (falling)
R (falling)
Y (falling)
V (falling)
L (falling)
T (falling)
Z (falling)
SOURCE
SOURCE
SOURCE
, V
CC2
CC2
CC2
CC2
CC2
IN
CC
CC2
= V
CC
≥ 0.8 V,
≥ 1.0 V,
≥ 1.2 V,
≥ 2.7 V,
≥ 4.5 V,
= 3.3 V
CC
;
> V
(1)
= 200 µA,
= 500 µA,
= 800 µA,
RST2
;
0.8V
0.8V
0.8V
4.500
4.250
3.000
2.850
2.550
2.250
2.125
1.620
1.530
Min
0.8
–1
DC and AC parameters
CC1
CC1
CC1
4.625 4.750
4.375 4.500
3.075 3.150
2.925 3.000
2.625 2.700
2.313 2.375
2.188 2.250
1.665 1.710
1.575 1.620
Typ
2.5
12
8
3
5
Max
0.5
0.3
0.3
0.3
0.3
0.4
5.5
35
23
+1
25
9
7
19/30
Unit
µA
µA
µA
µA
µA
µA
ns
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V