STM6780 STMicroelectronics, STM6780 Datasheet - Page 20

• Manufacturer Part Number: STM6780
• Description: Dual/triple ultra-low voltage supervisors with push-button reset (with delay option)
• Manufacturer: STMicroelectronics

Specifications of STM6780

• 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)

DC and AC parameters
Table 6.
20/30
Adjustable reset comparator input (STM6719/20/79/80)
V
t
V
V
RSTIND
I
RST2
Sym
RSTIN
RSTIN
HYST
t
t
RD
rec
(4)
native
Alter-
V
t
TH2
RP
DC and AC characteristics (continued)
Reset threshold hysteresis
RSTIN input threshold
V
RSTIN input current
V
CC2
RSTIN hysteresis
RST pulse width
CC
RSTIN to RST
Description
output delay
reset threshold
to RST delay
Doc ID 11469 Rev 8
V
V
Referenced to V
V
CC1
RSTIN
CC2
STM6717/6718/6719/6720/STM6777/6778/6779/6780
Test condition
(V
= (V
(V
= (V
RST
to (V
RST2
W (falling)
G (falling)
S (falling)
R (falling)
Y (falling)
V (falling)
H (falling)
K (falling)
E (falling)
D (falling)
T (falling)
Z (falling)
F (falling)
J (falling)
I (falling)
RST1
RST2
blank
– 100 mV)
RSTIN
G
– 75 mV)
B
+ 100 mV) to
+ 75 mV) to
RST
– 30 mV)
(1)
typical
3.000
2.850
2.550
2.250
2.125
1.620
1.530
1.350
1.275
1.080
1.020
0.895
0.845
0.810
0.765
Min
140
600
611
–25
8.8
626.5
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
1.388 1.425
1.313 1.350
1.110 1.140
1.050 1.080
0.925 0.955
0.875 0.905
0.833 0.855
0.788 0.810
13.2
Typ
210
900
0.5
20
20
22
3
1200
Max
17.6
280
642
+25
Unit
mV
mV
ms
nA
µs
µs
µs
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V