參數(shù)資料
型號(hào)： M48T251V-85PM1TR
廠商： 意法半導(dǎo)體
英文描述： 5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
中文描述： 5.0或3.3V，4096K與幻象計(jì)時(shí)器的SRAM
文件頁數(shù)： 19/24頁
文件大?。?/td> 366K
代理商： M48T251V-85PM1TR
19/24
M48T251Y, M48T251V
Table 11. DC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
A
= 0 to 70°C; V
CC
= 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
2. RST (Pin 1) has an internal pull-up resistor.
3. All voltages are referenced to Ground.
Sym
Parameter
(1)
Test Condition
M48T251Y
M48T251V
Unit
–70
–85
Min
Typ
Max
Min
Typ
Max
I
LI(2)
Input Leakage Current
0V
≤
V
IN
≤
V
CC
±1
±1
μA
I
LO
Output Leakage Current
0V
≤
V
OUT
≤
V
CC
±1
±1
μA
I
CC1
Supply Current
85
50
mA
I
CC2
Supply Current (TTL
Standby)
CE = V
IH
5
10
5
7
mA
I
CC3
V
CC
Power Supply
Current
CE = V
CCI
– 0.2
3
5
2
3
mA
V
IL(3)
Input Low Voltage
–0.3
0.8
–0.3
0.6
V
V
IH(3)
Input High Voltage
2.2
V
CC
+ 0.3
2.2
V
CC
+ 0.3
V
V
OL
Output Low Voltage
I
OL
= 2.0 mA
0.4
0.4
V
V
OH
Output High Voltage
I
OH
= –1.0 mA
2.4
2.4
V
V
PFD(3)
Power Fail Deselect
4.25
4.37
4.50
2.80
2.97
V
V
SO(3)
Battery Back-up
Switchover
V
BAT
2.5
V
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參數(shù)描述
M48T251VPM 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
M48T251Y 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
M48T251Y-70PM1 功能描述:實(shí)時(shí)時(shí)鐘 4M (512Kx8) 70ns 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(chǔ)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
M48T251Y-70PM1TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
M48T251Y-85PM1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
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