Datasheet

DC and AC parameters M41ST87Y, M41ST87W
44/54 Doc ID 9497 Rev 10
Table 17. DC characteristics
Sym Parameter Test condition
(1)
M41ST87Y M41ST87W
Unit
Min Typ Max Min Typ Max
I
BAT
(2)
Battery current
OSC ON
T
A
= 25 °C, V
CC
= 0 V,
V
BAT
= 3 V
500 700 500 700 nA
Battery current
OSC OFF
50 50 nA
I
CC1
Supply current f = 400 kHz 1.4 0.75 mA
I
CC2
Supply current
(standby)
SCL, SDA ≥
V
CC
– 0.3 V 1 0.50 mA
I
LI
(3)
Input leakage
current
0V ≤ V
IN
≤ V
CC
±1 ±1 µA
Input leakage
current (PFI)
–25 2 25 –25 2 25 nA
I
LO
(4)
Output leakage
current
0V ≤ V
IN
≤ V
CC
±1 ±1 µA
I
OUT1
(5)
V
OUT
current
(active)
V
OUT1
> V
CC
– 0.3 V 175 100 mA
I
OUT2
V
OUT
current
(battery backup)
V
OUT2
> V
BAT
– 0.3 V 100 100 µA
V
IH
Input high
voltage
0.7V
CC
V
CC
+ 0.3 0.7V
CC
V
CC
+ 0.3 V
V
IL
Input low voltage –0.3 0.3V
CC
–0.3 0.3V
CC
V
V
BAT
Battery voltage 2.5 3.0 V
CC
2.5 3.0 V
CC
V
V
OH
(6)
Output high
voltage
I
OH
= –1.0 mA 2.4 2.4 V
Pull-up supply
voltage
(open drain)
IRQ
/OUT, RST, F
32k
5.5 3.6 V
V
OHB
(7)
V
OH
(battery
backup)
I
OUT2
= –1.0 µA
(8)
2.9 2.9 V
V
OL
Output low
voltage
I
OL
= 3.0 mA 0.4 0.4 V
Output low
voltage
(open drain)
(9)
I
OL
= 10 mA 0.4 0.4 V
V
PFD
Power fail
deselect
THS bit = 0 4.20 4.35 4.50 2.55 2.62 2.70 V
THS bit = 1 4.50 4.60 4.75 2.80 2.88 3.00 V
V
PFI1,
V
PFI2
PFI input
threshold
V
CC
= 5 V (Y) 1.225 1.250 1.275 V
V
CC
= 3 V (W) 1.225 1.250 1.275 V
PFI hysteresis PFI rising 20 70 20 70 mV