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參數(shù)資料
| 型號(hào)： | DS1244Y |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | XO, clock |
| 英文描述： | 256K NV SRAM with Phantom Clock(帶幻影實(shí)時(shí)時(shí)鐘的非易失性SRAM) |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP28 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 91K |
| 代理商： | DS1244Y |
DS1244Y
022798 5/12
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.3V to +7.0V
0
°
C to 70
°
C
–40
°
C to +70
°
C
260
°
C for 10 seconds (See Note 13)
* This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
(0
°
C to 70
°
C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Power Supply Voltage
V
CC
4.5
5.0
5.5
V
Input Logic 1
V
IH
2.2
V
CC
+0.3
V
Input Logic 0
V
IL
0.3
0.8
V
DC ELECTRICAL CHARACTERISTICS
(0
°
C to 70
°
C; V
CC
= 5V
±
10%)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Input Leakage Current
I
IL
–1.0
+1.0
μ
A
12
I/O Leakage Current
CE
V
IH
V
CC
I
IO
–1.0
+1.0
μ
A
Output Current @ 2.4V
I
OH
–1.0
mA
Output Current @ 0.4V
I
OL
2.0
mA
Standby Current CE = 2.2V
I
CCS1
5.0
10
mA
Standby Current CE = V
CC
– 0.5V
I
CCS2
3.0
5.0
mA
Operating Current t
CYC
= 200 ns
I
CC01
85
mA
Write Protection Voltage
V
TP
4.25
4.5
V
DC TEST CONDITIONS
Outputs are open; all voltages are referenced to ground.
CAPACITANCE
(t
A
= 25
°
C)
NOTES
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Input Capacitance
C
IN
5
10
pF
Input/Output Capacitance
C
I/O
5
10
pF
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PDF描述 |
|---|---|
| DS1245AB | 1024K Nonvolatile SRAM(1024K 非易失性靜態(tài)RAM) |
| DS1245Y | 1024K Nonvolatile SRAM(1024K 非易失性靜態(tài)RAM) |
| DS1245W | 3.3V 1024K Nonvolatile SRAM(3.3V 1024K 非易失性靜態(tài)RAM) |
| DS1248Y | Using the Dallas Phantom Real Time Clocks(帶幻象實(shí)時(shí)時(shí)鐘的NVSRAM) |
| DS1249AB | 2048K Nonvolatile SRAM(2048K 非易失性靜態(tài)RAM) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1244Y120 | 制造商:Maxim Integrated Products 功能描述: |
| DS1244Y-120 | 制造商:Maxim Integrated Products 功能描述: |
| DS1244Y-150 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS1244Y-200 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:256K NV SRAM with Phantom Clock |
| DS1244Y-70 | 功能描述:實(shí)時(shí)時(shí)鐘 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 |
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