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參數(shù)資料
| 型號： | M41T11 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 512 bit 64b x8 Serial Access TIMEKEEPER SRAM |
| 中文描述： | 512位64B條x8串行SRAM的訪問計(jì)時(shí)器 |
| 文件頁數(shù)： | 6/19頁 |
| 文件大小： | 137K |
| 代理商： | M41T11 |
M41T11
6/19
Table 6. DC Characteristics
(T
A
= –40 to 85 °C; V
CC
= 2.0V to 5.5V)
Symbol
Parameter
Note: 1. STMicroelectronics recommends the RAYOVAC BR1225 or BR1632 (or equivalent) as the battery supply.
Table 7. Power Down/Up Trip Points DC Characteristics
(1)
(T
A
= –40 to 85 °C)
Symbol
Parameter
Note: 1. All voltages referenced to V
SS
.
2. Switch-over and deselect point.
Table 8. Crystal Electrical Characteristics
(Externally Supplied if using the SO8 package)
Note: Load capacitors are integrated within the M41T11. Circuit board layout considerations for the 32.768 kHz crystal of minimum trace
lengths and isolation from RF generating signals should be taken into account.
STMicroelectronics recommends the KDS DT-38 Tuning Fork Type quartz crystal for industrial temperature operations.
KDS can be contacted at 913-491-6825 or http://www.kdsj.co.jp for further information on this crystal type.
All SNAPHAT battery/crystal tops meet these specifications.
Test Condition
Min
Typ
Max
Unit
I
LI
Input Leakage Current
0V
≤
V
IN
≤
V
CC
±1
μA
I
LO
Output Leakage Current
0V
≤
V
OUT
≤
V
CC
±1
μA
I
CC1
Supply Current
Switch Frequency = 100kHz
300
μA
I
CC2
Supply Current (Standby)
SCL, SDA = V
CC
– 0.3V
70
μA
V
IL
Input Low Voltage
–0.3
0.3V
CC
V
V
IH
Input High Voltage
0.7V
CC
V
CC
+ 0.8
V
V
OL
Output Low Voltage
I
OL
= 3mA
0.4
V
V
BAT (1)
Battery Supply Voltage
2
3
3.5
V
I
BAT
Battery Supply Current
T
A
= 25°C, V
CC
= 0V,
Oscillator ON, V
BAT
= 3V
0.8
1
μA
Min
Typ
Max
Unit
V
SO (2)
Battery Back-up Switchover Voltage
V
BAT
–0.70
V
BAT
–0.50
V
BAT
–0.30
V
Symbol
Parameter
Min
Typ
Max
Unit
f
O
Resonant Frequency
32.768
kHz
R
S
Series Resistance
35
k
C
L
Load Capacitance
12.5
pF
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| M41T11M6 | 功能描述:實(shí)時(shí)時(shí)鐘 Serial 512 (64x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M41T11M6E | 功能描述:實(shí)時(shí)時(shí)鐘 Serial 512 (64x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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