- 您现在的位置：买卖IC网 > PDF目录359064 > M48T129V-85PM1 (意法半导体) 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM PDF资料下载
参数资料
| 型号： | M48T129V-85PM1 |
| 厂商： | 意法半导体 |
| 元件分类： | DRAM |
| 英文描述： | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| 中文描述： | 3.3 - 5V的1兆位的SRAM 128KB的x8计时器 |
| 文件页数： | 8/22页 |
| 文件大小： | 140K |
| 代理商： | M48T129V-85PM1 |
M48T129Y, M48T129V
8/22
Table 7. Power Down/Up Trip Points DC Characteristics
(1)
(T
A
= 0 to 70
°
C)
Symbol
Parameter
Note: 1. All voltages referenced to V
SS
.
2. At 25
°
C.
Table 8. Power Down/Up AC Characteristics
(T
A
= 0 to 70
°
C)
Symbol
Note: 1. V
PFD
(max) to V
PFD
(min) falltime of less than t
F
mayresult indeselection/write protection notoccurring until50
μ
s after V
CC
passes
V
PFD
(min).
2. V
PFD
(min) to V
SS
fall time of less than t
FB
may cause corruption of RAM data.
Min
Typ
Max
Unit
V
PFD
Power-fail Deselect Voltage
M48T129Y
4.2
4.35
4.5
V
M48T129V
2.7
2.9
3.0
V
V
SO
Battery Back-up Switchover Voltage
M48T129Y
3.0
V
M48T129V
V
PFD
–100mV
V
t
DR(2)
Expected Data Retention Time
10
YEARS
Parameter
Min
Max
Unit
t
F(1)
V
PFD
(max) to V
PFD
(min) V
CC
FallTime
300
μ
s
t
FB(2)
V
PFD
(min) to V
SS
V
CC
Fall Time
M48T129Y
10
μ
s
M48T129V
150
μ
s
t
R
V
PFD
(min) to V
PFD
(max) V
CC
Rise Time
10
μ
s
t
RB
V
SS
to V
PFD
(min) V
CC
Rise Time
1
μ
s
t
REC
V
PFD
(max) to RST High
40
200
ms
Figure 6. Power Down/Up Mode AC Waveforms
AI01805
VCC
VPFD(max)
INPUTS
OUTPUTS
DON’T CARE
HIGH-Z
tF
tFB
tR
tRB
VALID
VALID
RECOGNIZED
RECOGNIZED
VPFD(min)
VSO
tREC
RST
相关PDF资料 |
PDF描述 |
|---|---|
| M48T129Y-70PM1 | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129YPM | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129VPM | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129VSH | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T212A | 3.3V TIMEKEEPER CONTROLLER |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M48T129VPM | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129VSH | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129Y | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 1 Mbit (128 Kbit x 8) TIMEKEEPER SRAM |
| M48T129Y_05 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 1 Mbit (128 Kbit x 8) TIMEKEEPER SRAM |
| M48T129Y_10 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3 V, 1 Mbit (128 Kbit x 8) TIMEKEEPER?? SRAM |
发布紧急采购，3分钟左右您将得到回复。