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參數(shù)資料
| 型號(hào)： | DS1243Y |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | XO, clock |
| 英文描述： | 64K 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 |
| 封裝： | 0.720 INCH, PLASTIC, DIP-28 |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大?。?/td> | 90K |
| 代理商： | DS1243Y |
DS1243Y
022798 7/12
PHANTOM CLOCK AC ELECTRICAL CHARACTERISTICS
(0
°
C to 70
°
C; V
CC
= 4.5 to 5.5V)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Read Cycle Time
t
RC
120
ns
CE Access Time
t
CO
100
ns
OE Access Time
t
OE
100
ns
CE to Output Low Z
t
COE
10
ns
OE to Output Low Z
t
OEE
10
ns
CE to Output High Z
t
OD
40
ns
5
OE to Output High Z
t
ODO
40
ns
5
Read Recovery
t
RR
20
ns
Write Cycle Time
t
WC
120
ns
Write Pulse Width
t
WP
100
ns
Write Recovery
t
WR
20
ns
10
Data Setup Time
t
DS
40
ns
11
Data Hold Time
t
DH
10
ns
11
CE Pulse Width
t
CW
100
ns
RESET Pulse Width
t
RST
200
ns
CE High to Power–Fail
t
PF
0
ns
POWER-DOWN/POWER-UP TIMING
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
CE at V
IH
before Power–Down
t
PD
0
μ
s
V
CC
Slew from 4.5V to 0V
(CE at V
IH
)
t
F
300
μ
s
V
CC
Slew from 0V to 4.5V
(CE at V
IH
)
t
R
0
μ
s
CE at V
IH
after Power–Up
t
REC
2
ms
(t
A
= 25
°
C)
NOTES
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Expected Data Retention Time
t
DR
10
years
9
WARNING:
Under no circumstances are negative undershoots, of any amplitude, allowed when device is in battery backup mode.
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PDF描述 |
|---|---|
| DS1244Y | 256K NV SRAM with Phantom Clock(帶幻影實(shí)時(shí)時(shí)鐘的非易失性SRAM) |
| 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) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1243Y+ | 制造商:Maxim Integrated Products 功能描述:Bulk |
| DS1243Y-120 | 功能描述:實(shí)時(shí)時(shí)鐘 64k NV SRAM w/Phantom Clock 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 |
| DS1243Y120+ | 制造商:Maxim Integrated Products 功能描述: |
| DS1243Y-120+ | 功能描述:實(shí)時(shí)時(shí)鐘 64k NV SRAM w/Phantom Clock 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 |
| DS1243Y-120+ | 制造商:Maxim Integrated Products 功能描述:IC |
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