参数资料
型号: DS1501YSN
厂商: DALLAS SEMICONDUCTOR
元件分类: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封装: 0.720 INCH, PLASTIC, SOIC-28
文件页数: 23/30页
文件大小: 291K
代理商: DS1501YSN
DS1501/DS1511
3 of 30
The DS1511 incorporates the DS1501 chip, a 32.768 kHz crystal, and a lithium battery in a complete,
self-contained timekeeping module. The entire unit is designed by Dallas Semiconductor to provide a
minimum of 10 years of timekeeping and data retention in the absence of VCC.
DS1501/DS1511 BLOCK DIAGRAM Figure 1
A0-A4
RA
M
CO
N
T
RO
L
RA
M
DA
T
A
RA
M
AD
DR
E
S
X2
X1
SQW
____
IRQ
CLOCK ALARM AND
WATCHDOG
COUNTDOWN
32.768 kHz
CLOCK OSC
___
OE
___
WE
___
CE
DQ0-DQ7
32 X 8 CLOCK,
CONTROL,
AND SRAM
ADDRESS
REGISTERS
___
KS
GND
Vcc
_____
PWR
____
RST
POWER CONTROL
WRITE
PROTECTION,
AND POWER-ON
RESET
256 X 8
NV SRAM
VBAUX
VBAT
DS1501/DS1511 OPERATING MODES Table 1
VCC
CE
OE
WE
DQ0-DQ7
A0-A4
MODE
POWER
VIH
X
HIGH-Z
X
DESELECT
STANDBY
VIL
XVIL
DIN
AIN
WRITE
ACTIVE
VIL
VIH
DOUT
AIN
READ
ACTIVE
IN TOLERANCE
VIL
VIH
HIGH-Z
AIN
READ
ACTIVE
VSO <VCC < VPF
X
HIGH-Z
X
DESELECT
CMOS
STANDBY
VCC < VSO < VPF
X
HIGH-Z
X
DATA
RETENTION
BATTERY
CURRENT
相关PDF资料
PDF描述
DS1511W 1 TIMER(S), REAL TIME CLOCK, DMA28
DS1511Y 1 TIMER(S), REAL TIME CLOCK, DMA28
DS1501YE 1 TIMER(S), REAL TIME CLOCK, PDSO28
DS1501WS 1 TIMER(S), REAL TIME CLOCK, PDSO28
DS1501Y 1 TIMER(S), REAL TIME CLOCK, PDIP28
相关代理商/技术参数
参数描述
DS1501YSN/T&R 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK PARALLEL 256BYTE 28SOIC - Tape and Reel
DS1501YSN+ 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
DS1501YSN+T&R 制造商:Maxim Integrated Products 功能描述:IC RTC WDOG Y2K 5V IND 28-SOIC
DS1501YSN+T&R 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
DS1501YZ+ 功能描述:实时时钟 Y2K-Compliant Watchdog 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