參數(shù)資料
型號(hào): DS1744-70IND
英文描述: Y2K-Compliant, Nonvolatile Timekeeping RAMs
中文描述: 千年蟲(chóng)的,非易失時(shí)鐘存儲(chǔ)器
文件頁(yè)數(shù): 8/18頁(yè)
文件大?。?/td> 348K
代理商: DS1744-70IND
DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs
8 of 18
DC ELECTRICAL CHARACTERISTICS
(
V
CC
= 3.3V 10%
, T
A
= Over the operating range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Active Supply Current
TTL Standby Current
(CE = V
IH
)
CMOS Standby Current
(CE V
CC
- 0.2V)
Input Leakage Current (Any
Input)
Output Leakage Current
(Any Output)
Output Logic 1 Voltage
(I
OUT
= -1.0mA)
Output Logic 0 Voltage
(I
OUT
= +2.1mA)
I
CC
30
mA
2, 3
I
CC1
2
mA
2, 3
I
CC2
2
mA
2, 3
I
IL
-1
+1
A
I
OL
-1
+1
A
V
OH
2.4
1
V
OL
0.4
1
Write Protection Voltage
V
PF
2.80
2.97
V
1
Battery Switchover Voltage
V
SO
V
BAT
or
V
PF
V
1, 4
AC CHARACTERISTICS—READ CYCLE (5V)
(V
CC
= 5.0V 10%,
T
A
=
Over the operating range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Read Cycle Time
t
RC
70
ns
Address Access Time
t
AA
70
ns
CE to DQ Low-Z
t
CEL
5
ns
CE Access Time
t
CEA
70
ns
CE Data Off Time
t
CEZ
25
ns
OE to DQ Low-Z
t
OEL
5
ns
OE Access Time
t
OEA
35
ns
OE Data Off Time
t
OEZ
25
ns
Output Hold from Address
t
OH
5
ns
相關(guān)PDF資料
PDF描述
DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744P-70 Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744P-70IND Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744W-120 Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744W-120IND Y2K-Compliant, Nonvolatile Timekeeping RAMs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1744-70IND/C01 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(xiàn)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
DS1744-70IND+ 功能描述:實(shí)時(shí)時(shí)鐘 Timekeeping NV RAM RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線(xiàn)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
DS1744P 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744P/YP/WP 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:PowerCap with Crystal
DS1744P-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(xiàn)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