参数资料
型号: M41ST87WMX6
厂商: STMICROELECTRONICS
元件分类: 时钟/数据恢复及定时提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封装: 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOX-28
文件页数: 39/52页
文件大小: 689K
代理商: M41ST87WMX6
DC and AC parameters
M41ST87Y, M41ST87W
Doc ID 9497 Rev 8
Table 17.
DC characteristics
Sym
Parameter
Test condition(1)
M41ST87Y
M41ST87W
Unit
Min
Typ
Max
Min
Typ
Max
IBAT
(2)
Battery current
OSC ON
TA = 25 °C, VCC = 0 V,
VBAT = 3 V
500
700
500
700
nA
Battery current
OSC OFF
50
nA
ICC1
Supply current
f = 400 kHz
1.4
0.75
mA
ICC2
Supply current
(standby)
SCL, SDA
≥ V
CC – 0.3 V
1
0.50
mA
ILI
(3)
Input leakage
current
0V
≤ VIN ≤ VCC
±1
A
Input leakage
current (PFI)
–25
2
25
–25
2
25
nA
ILO
(4)
Output leakage
current
0V
≤ VIN ≤ VCC
±1
A
IOUT1
(5) VOUT current
(active)
VOUT1 > VCC – 0.3 V
175
100
mA
IOUT2
VOUT current
(battery backup)
VOUT2 > VBAT – 0.3 V
100
A
VIH
Input high
voltage
0.7V
CC
VCC + 0.3 0.7VCC
VCC + 0.3
V
VIL
Input low voltage
–0.3
0.3VCC
–0.3
0.3VCC
V
VBAT
Battery voltage
2.5
3.0
VCC
2.5
3.0
VCC
V
VOH
(6)
Output high
voltage
IOH = –1.0 mA
2.4
V
Pull-up supply
voltage
(open drain)
IRQ/OUT, RST, F32k
5.5
3.6
V
VOHB
(7) VOH (battery
backup)
IOUT2 = –1.0 A
(8)
2.9
V
VOL
Output low
voltage
IOL = 3.0 mA
0.4
V
Output low
voltage
(open drain)(9)
IOL = 10 mA
0.4
V
VPFD
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
VPFI1,
VPFI2
PFI input
threshold
VCC = 5 V (Y)
1.225
1.250
1.275
V
VCC = 3 V (W)
1.225
1.250
1.275
V
PFI hysteresis
PFI rising
20
70
20
70
mV
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