DS1554 256k, Nonvolatile, Y2K-Compliant Timekeeping RAM
2 of 18
PIN DESCRIPTION
A0–A14
- Address Inputs
DQ0–DQ7
- Data Input/Outputs
IRQ/FT
- Interrupt, Frequency Test Output (Open Drain)
RST
- Power-On Reset Output (Open Drain)
CE
- Chip Enable
OE
- Output Enable
WE
- Write Enable
VCC
- Power-Supply Input
GND
- Ground
N.C.
- No Connection
X1, X2
- Crystal Connection
VBAT
- Battery Connection
ORDERING INFORMATION
PART
TEMP RANGE
VOLTAGE
(V)
PIN-PACKAGE
TOP MARK**
DS1554-70+
0°C to +70°C
5.0
32 EDIP (0.740a)
DS1554+070
DS1554-70IND+
-40°C to +85°C
5.0
32 EDIP (0.740a)
DS1554+070 IND
DS1554P-70+
0°C to +70°C
5.0
34 PowerCap*
DS1554P+70
DS1554P-70IND+
-40°C to +85°C
5.0
34 PowerCap*
DS1554P+70 IND
DS1554W-120+
0°C to +70°C
3.3
32 EDIP (0.740a)
DS1554W+120
DS1554W-120IND+
-40°C to +85°C
3.3
32 EDIP (0.740a)
DS1554W+120 IND
DS1554WP-120+
0°C to +70°C
3.3
34 PowerCap*
DS1554WP+120
DS1554WP-120IND+
-40°C to +85°C
3.3
34 PowerCap*
DS1554WP+120 IND
+Denotes a lead(Pb)-free /RoHS-compliant package.
*DS9034-PCX+ or DS9034I-PCX+ required (must be ordered separately).
**The top mark will include a “+” on lead-free devices. An “IND” anywhere on the top mark indicates an industrial temperature grade device.
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