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M40SZ100Y датащи(PDF) 17 Page - STMicroelectronics

номер детали M40SZ100Y
подробное описание детали  5 V or 3 V NVRAM supervisor for LPSRAM
PDF  24 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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M40SZ100Y датащи(HTML) 17 Page - STMicroelectronics

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M40SZ100Y, M40SZ100W
DC and AC parameters
Doc ID 7528 Rev 3
17/24
Table 7.
DC characteristics
Sym
Parameter
Test condition(1)
M40SZ100Y
M40SZ100W
Unit
Min
Typ
Max
Min
Typ
Max
ICC
Supply current
Outputs open
1
0.5
mA
ICCDR
Data retention mode
current(2)
50
200
50
200
nA
ILI
(3)
Input leakage current
0 V
≤ VIN ≤ VCC
±1
±1
µA
Input leakage current
(PFI)
–25
2
25
–25
2
25
nA
ILO
(4)
Output leakage current
0 V
≤ VOUT ≤ VCC
±1
±1
µA
IOUT1
(5) V
OUT current (active)
VOUT > VCC – 0.3
175
100
mA
IOUT2
VOUT current (battery
backup)
VOUT > VBAT – 0.3
100
100
µA
VBAT
Battery voltage
2.5
3.0
3.5(6)
2.5
3.0
3.5(6)
V
VIH
Input high voltage
0.7VCC
VCC + 0.3
0.7VCC
VCC + 0.3
V
VIL
Input low voltage
–0.3
0.3VCC
–0.3
0.3VCC
V
VOH
Output high voltage(7)
IOH = –1.0 mA
2.4
2.4
V
VOHB
VOH battery backup
(8)
IOUT2 = –1.0 µA
2.5
2.9
3.5
2.5
2.9
3.5
V
VOL
Output low voltage
IOL = 3.0 mA
0.4
0.4
V
Output low voltage
(open drain)(9)
IOL = 10 mA
0.4
0.4
V
VPFD
Power-fail deselect
voltage
4.20
4.4
0
4.50
2.55
2.60
2.70
V
VPFI
PFI input threshold
VCC = 5 V(Y)
VCC = 3 V(V)
1.225
1.2
50
1.275
1.225
1.25
0
1.275
V
PFI hysteresis
PFI rising
20
70
20
70
mV
VSO
Battery backup
switchover voltage
2.5
2.5
V
1.
Valid for ambient operating temperature: TA = –40 to 85 °C; VCC = 2.7 to 3.6 V or 4.5 to 5.5 V(except where noted).
2.
Measured with VOUT and ECON open.
3.
RSTIN internally pulled-up to VCC through 100 kΩ resistor.
4.
Outputs deselected.
5.
External SRAM must match SUPERVISOR chip VCC specification (3 V or 5 V).
6.
For rechargeable backup, VBAT (max) may be considered VCC – 0.5 V.
7.
For PFO pin (CMOS).
8.
Chip enable output (ECON) can only sustain CMOS leakage currents in the battery backup mode. Higher leakage currents
will reduce battery life.
9.
For RST & BL pins (open drain).



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