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參數(shù)資料
| 型號： | M48T12 |
| 廠商： | 意法半導體 |
| 英文描述： | 16 Kbit 2Kb x8 TIMEKEEPER[ SRAM |
| 中文描述： | 16千位2KB的x8計時器[靜態(tài)存儲器 |
| 文件頁數(shù)： | 10/15頁 |
| 文件大小： | 94K |
| 代理商： | M48T12 |
Symbol
Parameter
Test Condition
Min
Max
Unit
ILI
(1)
Input Leakage Current
0V
≤ VIN ≤ VCC
±1
A
ILO
(1)
Output Leakage Current
0V
≤ VOUT ≤ VCC
±5
A
ICC
Supply Current
Outputs open
80
mA
ICC1
(2)
Supply Current (Standby) TTL
E = VIH
3mA
ICC2
(2)
Supply Current (Standby) CMOS
E = VCC – 0.2V
3
mA
VIL
(3)
Input Low Voltage
–0.3
0.8
V
VIH
Input High Voltage
2.2
VCC + 0.3
V
VOL
Output Low Voltage
IOL = 2.1mA
0.4
V
VOH
Output High Voltage
IOH = –1mA
2.4
V
Notes: 1. Outputs Deselected.
2. Measured with Control Bits set as follows: R = ’1’; W, ST, KS, FT = ’0’.
Table 6. DC Characteristics
(TA = 0 to 70
°C; VCC = 4.75V to 5.5V or 4.5V to 5.5V)
Symbol
Parameter
Test Condition
Min
Max
Unit
CIN
Input Capacitance
VIN =0V
10
pF
CIO
(2)
Input / Output Capacitance
VOUT =0V
10
pF
Notes: 1. Effective capacitance measured with power supply at 5V.
2. Outputs deselected.
Table 5. Capacitance (1)
(TA =25
°C, f = 1 MHz )
Symbol
Parameter
Min
Typ
Max
Unit
VPFD
Power-fail Deselect Voltage (M48T02)
4.5
4.6
4.75
V
VPFD
Power-fail Deselect Voltage (M48T12)
4.2
4.3
4.5
V
VSO
Battery Back-up Switchover Voltage
3.0
V
tDR
(2)
Expected Data Retention Time
10
YEARS
Notes: 1. All voltages referenced to VSS.
2. At 25
°C.
Table 7. Power Down/Up Trip Points DC Characteristics (1)
(TA = 0 to 70
°C)
4/15
M48T02, M48T12
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| M48T12-120PC1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CMOS 8K x 8 TIMEKEEPER SRAM |
| M48T12-150PC1 | 功能描述:實時時鐘 16K (2Kx8) 150ns 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M48T12-150PC1 | 制造商:STMicroelectronics 功能描述:SRAM TIMEKEEPER 16K 48T12 DIP24 |
| M48T12-150PC1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0V, 16 Kbit (2Kb x 8) TIMEKEEPER㈢ SRAM |
| M48T12-200PC1 | 功能描述:實時時鐘 16K (2Kx8) 200ns 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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