参数资料
型号: DS1500YN
厂商: Maxim Integrated Products
文件页数: 14/20页
文件大小: 0K
描述: IC RTC Y2KC W/NV CTRL 5V 32-DIP
标准包装: 13
类型: 时钟/日历
特点: 警报器,闰年,NVSRAM,方波输出,监视计时器,Y2K
存储容量: 256B
时间格式: HH:MM:SS(24 小时)
数据格式: YY-MM-DD-dd
接口: 并联
电源电压: 4.5 V ~ 5.5 V
电压 - 电源,电池: 2.5 V ~ 3.7 V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 32-DIP 模块(0.600",15.24mm)
供应商设备封装: 32-EDIP
包装: 管件
DS1500 Y2KC Watchdog RTC with Nonvolatile Control
3 of 20
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage (ICCO2 = 50μA)
VCCO2
(Note 7)
VBAT -
0.3
V
Battery Leakage Current
ILKG
10
100
nA
DC ELECTRICAL CHARACTERISTICS
(VCC = 0V, TA = Over the Operating Range.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Battery Current, BB32 = 0, EOSC = 0
IBAT1
(Notes 8, 9)
0.27
1.0
A
Battery Current, BB32 = 0, EOSC = 1
IBAT2
(Notes 8, 9)
0.01
0.1
A
VBAUX Current BB32 = 1, SQW Open
IBAUX
(Notes 8, 9)
2
A
CRYSTAL SPECIFICATIONS
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Nominal Frequency
fO
32.768
kHz
Series Resistance
ESR
45
k
Load Capacitance
CL
6
pF
Note: The crystal, traces, and crystal input pins should be isolated from RF generating signals. Refer to Application Note 58: Crystal
Considerations for Maxim Real-Time Clocks (RTCs) for additional specifications.
AC OPERATING CHARACTERISTICS
(
VCCI = 5.0V ±10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Read Cycle Time
tRC
70
ns
Address Access Time
tAA
70
ns
CS
to DQ Low-Z
tCSL
(Note 10)
5
ns
CS
Access Time
tCSA
70
ns
CS
Data Off Time
tCSZ
(Note 10)
25
ns
OE
to DQ Low-Z (0°C to +85°C)
tOEL
(Note 10)
5
ns
OE
to DQ Low-Z (-40°C to 0°C)
tOEL
(Note 10)
2
ns
OE
Access Time
tOEA
35
ns
OE
Data Off Time
tOEZ
(Note 10)
25
ns
Output Hold from Address
tOH
5
ns
Write Cycle Time
tWC
70
ns
Address Setup Time
tAS
0
ns
WE
Pulse Width
tWEW
50
ns
CS
Pulse Width
tCSW
55
ns
Data Setup Time
tDS
30
ns
Data Hold Time
tDH
5
ns
Address Hold Time
tAH
0
ns
WE
Data Off Time
tWEZ
(Note 10)
25
ns
Write Recovery Time
tWR
15
ns
CEI
to CEO Propagation Delay
tCEPD
10
ns
Pulse Width, OE, WE, or CS High
PWHIGH
20
ns
Pulse Width, OE, WE, or CS Low
PWLOW
70
ns
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