參數(shù)資料
型號(hào): M41ST87WMX6T
廠商: STMICROELECTRONICS
元件分類(lèi): 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封裝: 0.300 INCH, PLASTIC, SOIC-28
文件頁(yè)數(shù): 34/38頁(yè)
文件大?。?/td> 552K
代理商: M41ST87WMX6T
5/38
M41ST87Y, M41ST87W
Figure 2. Logic Diagram
Note: 1. Open drain output
2. Programmable output (Open drain or Full-CMOS)
Figure 3. 28-pin, 300mil SOIC (MX)
Connections
Note: 1. Must be connected to VCC or VSS.
Table 1. Signal Names
Note: 1. Open drain output
2. Programmable output (Open drain or Full-CMOS)
3. Must be connected to VCC or VSS.
AI07023
SCL
VCC
M41ST87Y
M41ST87W
EX
VSS
VBAT
SDA
RSTIN1
IRQ/OUT
(1)
SQW/FT
(2)
WDI
RSTIN2
TP1IN
PFI2
TP2IN
PFI1
ECON
RST
(1)
PFO1
(2)
PFO2
(2)
VOUT
F32k
(1)
TPCLR
AI07025
8
2
3
4
5
6
7
9
10
11
12
13
14
22
21
20
19
18
17
16
15
28
27
26
25
24
23
1
RSTIN1
RSTIN2
PFI2
NC
SQW/FT
WDI
NC
IRQ/OUT
F32k
VOUT
TP1IN
EX
PFI1
SCL
TPCLR
PFO1
ECON
VSS
VBAT
TP2IN
SDA
RST
DU
(1)
DU
(1)
VCC
M41ST87Y
M41ST87W
PFO2
ECON
Conditioned Chip Enable Output
EX
External Chip Enable
IRQ/OUT(1)
Interrupt/Out Output
(Open drain)
PFI1
Power Fail Input 1
PFI2
Power Fail Input 2
PFO1
(2)
Power Fail Output 1
PFO2
(2)
Power Fail Output 2
RST(1)
Reset Output (Open Drain)
RSTIN1
Reset 1 Input
RSTIN2
Reset 2 Input
SCL
Serial Clock Input
SDA
Serial Data Input/Output
SQW/FT(2)
Square Wave Output/Frequency
Test
WDI
Watchdog Input
VCC
Supply Voltage
VOUT
Voltage Output
VSS
Ground
F32k
(1)
32kHz Square Wave Output
(Open drain)
TP1IN
Tamper Pin 1 Input
TP2IN
Tamper Pin 2 Input
TPCLR
Tamper Pin RAM Clear
VBAT
Positive Battery Pin Input
DU(3)
Don’t Use Pin
NC
No Connect
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