收藏本站
DS1554 256k, Nonvolatile, Y2K-Compliant Timekeeping RAM
11 of 18
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground………………………..…………………………………………..-0.3V to +6.0V
Storage Temperature Range
EDIP ......................………………………………………………………………………………………-40°C to +85°C
PowerCap...................…………………..…………………………………………………....................-55°C to +125°C
Lead Temperature (soldering, 10s) ......................................................................................................................................+260°C
Note: EDIP is wave or hand-soldered only.
Soldering Temperature (reflow, PowerCap)…………………………………...……………..............................................+260°C
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.
OPERATING RANGE
RANGE
TEMP RANGE
VCC
Commercial
0°C to +70°C
3.3V
10% or 5V 10%
Industrial
-40°C to +85°C
3.3V
10% or 5V 10%
RECOMMENDED DC OPERATING CONDITIONS
(TA = Over the operating range)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
VCC = 5V 10%
2.2
VCC +
0.3V
V
Logic 1 Voltage All Inputs
(Note 1)
VIH
VCC = 3.3V 10%
2.0
VCC +
0.3V
V
VIL
VCC = 5V 10%
-0.3
+0.8
Logic 0 Voltage All Inputs
(Note 1)
VIL
VCC = 3.3V 10%
-0.3
+0.6
DC ELECTRICAL CHARACTERISTICS
(VCC = 5.0V 10%, TA = Over the operating range.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Active Supply Current
ICC
(Notes 2, 3, 11)
40
75
mA
TTL Standby Current
(
CE = V
IH)
ICC1
(Notes 2, 3)
3
6
mA
CMOS Standby Current
(
CE
V
CC - 0.2V)
ICC2
(Notes 2, 3)
2
6
mA
Input Leakage Current
(Any Input)
IIL
-1
+1
A
Output Leakage Current
(Any Output)
IOL
-1
+1
A
Output Logic 1 Voltage
(IOUT = -1.0 mA)
VOH
(Note 1)
2.4
V
VOL1
IOUT = 2.1 mA,
DQ0–7 Outputs
(Note 1)
0.4
V
Output Logic 0 Voltage
VOL2
IOUT = 7.0 mA,
IRQ
/FT, and RST
Outputs (Notes 1, 5)
0.4
V
Write Protection Voltage
VPF
(Note 1)
4.20
4.50
V
Battery Switchover Voltage
VSO
(Notes 1, 4)
VBAT
V
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
DS1556WP-120IND IC RTC RAM Y2K 3.3V 120NS 34PCM
DS1557P-70IND IC RTC RAM Y2K 5V 70NS 34PCM
DS1558Y-TRL IC RTC W/NV RAM 5V 48-TQFP
DS1602+ IC COUNTER ELAPSED TIME 5V 8-DIP
DS1603+ IC COUNTER ELAPSED TIME 5V 7-SIP
DS1642-70+ IC RAM TIMEKEEP NV 70NS 24-EDIP
DS1643P-70+ IC RAM TIMEKEEP NV 70NS 34-PCM
DS1644P-120 IC RAM TIMEKEEP NV 120NS 34-PCM
相关代理商/技术参数
DS1554W-120IND+ 功能描述:实时时钟 256kB NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1554W-150 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:256K NV Y2KC Timekeeping RAM
DS1554WP 制造商:未知厂家 制造商全称:未知厂家 功能描述:Real-Time Clock
DS1554WP-120 功能描述:实时时钟 256kB NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1554WP-120+ 功能描述:实时时钟 256kB NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1554WP-120IND 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1554WP-120IND+ 功能描述:实时时钟 256kB NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1554WP-150 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:256K NV Y2KC Timekeeping RAM