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参数资料
| 型号： | M48T59MH |
| 厂商： | 意法半导体 |
| 英文描述： | 64 Kbit 8Kb x8 TIMEKEEPER SRAM |
| 中文描述： | 64千位8KB的x8 SRAM的计时器 |
| 文件页数： | 4/21页 |
| 文件大小： | 168K |
| 代理商： | M48T59MH |
M48T59, M48T59Y, M48T59V
4/21
Table 5. Capacitance
(1, 2)
(T
A
= 25 °C)
Symbol
Note: 1. Effective capacitance measured with power supply at 5V.
2. Sampled only, not 100% tested.
3. Outputs deselected.
Table 6. DC Characteristics
(T
A
= 0 to 70 °C or –40 to 85 °C; V
CC
= 4.75V to 5.5V or 4.5V to 5.5V or 3.0V to 3.6V)
Note: 1. Outputs deselected.
2.
Negative spikes of –1V allowed for up to 10ns once per cycle.
3. The IRQ/FT and RST pins are Open Drain.
Table 7. Power Down/Up Trip Points DC Characteristics
(1)
(T
A
= 0 to 70 °C or –40 to 85 °C)
Symbol
Parameter
Note: 1. All voltages referenced to V
SS
.
2. Using larger M4T32-BR12SH6 SNAPHAT top (recommended for Industrial Temperature Range - grade 6 device).
Parameter
Test Condition
Min
Max
Unit
C
IN
Input Capacitance
V
IN
= 0V
10
pF
C
IO (3)
Input / Output Capacitance
V
OUT
= 0V
10
pF
Symbol
Parameter
Test Condition
M48T59/Y
M48T59V
Unit
Min
Max
Min
Max
I
LI
(1)
Input Leakage Current
0V
≤
V
IN
≤
V
CC
±1
±1
μA
I
LO
(1)
Output Leakage Current
0V
≤
V
OUT
≤
V
CC
±1
±1
μA
I
CC
Supply Current
Outputs open
50
30
mA
I
CC1
Supply Current (Standby)
TTL
E = V
IH
3
2
mA
I
CC2
Supply Current (Standby)
CMOS
E = V
CC
– 0.2V
3
1
mA
V
IL
(2)
Input Low Voltage
–0.3
0.8
–0.3
0.8
V
V
IH
Input High Voltage
2.2
V
CC
+ 0.3
2
V
CC
+ 0.3
V
V
OL
Output Low Voltage
I
OL
= 2.1mA
0.4
0.4
V
Output Low Voltage (IRQ/FT
and RST)
(3)
I
OL
= 10mA
0.4
0.4
V
V
OH
Output High Voltage
I
OH
= –1mA
2.4
2.4
V
Min
Typ
Max
Unit
V
PFD
Power-fail Deselect Voltage
M48T59
4.5
4.6
4.75
V
M48T59Y
4.2
4.35
4.5
V
M48T59V
2.7
2.9
3.0
V
V
SO
Battery Back-up Switchover Voltage
M48T59/Y
3.0
V
M48T59V
V
PFD
–100mV
V
t
DR
Expected Data Retention Time at 25 °C)
Grade 1
7
YEARS
Grade 6
10
(2)
YEARS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M48T59PC | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64 Kbit 8Kb x8 TIMEKEEPER SRAM |
| M48T59SH | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64 Kbit 8Kb x8 TIMEKEEPER SRAM |
| M48T59V | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64 Kbit 8Kb x8 TIMEKEEPER SRAM |
| M48T59V-70MH1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:64 Kbit 8Kb x8 TIMEKEEPER SRAM |
| M48T59V-70MH1E | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3 V, 64 Kbit (8 Kbit x 8) TIMEKEEPER? SRAM |
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