参数资料
型号: DS1558Y-TRL
厂商: Maxim Integrated Products
文件页数: 4/18页
文件大小: 0K
描述: IC RTC W/NV RAM 5V 48-TQFP
标准包装: 2,000
类型: 时钟/日历
特点: 警报器,闰年,监视计时器,Y2K
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: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 带卷 (TR)
DS1558
12 of 18
DC ELECTRICAL CHARACTERISTICS
(VCC = +3.3V ±10% or +5V ±10%, T = -40°C to +85°C.)
NOTES
A
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Active Suppl
mA
2, 3
y Current, +5V
ICC
6
25
Active Suppl
mA
2, 3
y Current, +3.3V
ICC
4
15
TTL Standby, +5V ( CE = VIH)
ICC1
3
6
mA
2, 3
TTL Standby, +3.3V ( CE = VIH)
ICC1
2
6
mA
2, 3
CMOS Standb
(
y Current, +5V
CE
VCC
mA
2, 3
- 0.2V)
ICC2
2
6
CMOS Standby Current, +3.3V
( CE
V - 0.2V)
CC
ICC2
1
2
mA
2, 3
Input Leakage Current
(Any Input)
IIL
-1
+1
A
Output Leakage Current
(Any Output)
IOL
-1
+1
A
Output Logic 1 Voltage
(IOUT = -1.0mA)
VOH
2.4
V
1
IOUT = 2.1mA,
DQ0–DQ7 Outputs
VOL1
0.4
V
1
Output Logic 0
Voltage
IOUT = 7.0mA,
IRQ
/FT and RST
Outputs
VOL2
0.4
V
1, 5
Write Protection Voltage, +5V
VPF
4.20
4.37
4.50
V
1
Write Protection Voltage, +3.3V
V
2.75
2.88
2.97
PF
V
1
Battery Switchover Voltage, +5V
VSO
VBAT
V
1
Battery Switchover Voltage, +3.3V
VSO
VPF
V
1, 4
Battery Curre
0.3
0.5
μA
6,7
nt OSC On
IOSC
Battery Current OSC Off
IBACKUP
100
nA
7
Output Voltage ICCO = 70mA, +5V
VCC01
VCC1 -
0.3
V
Output Voltage ICCO = 40mA, +3.3V
VCC01
VCC1 -
0.3
V
Output Voltage ICCO = 10μA
VCC02
VBAT -
0.2
VBAT -
0.031
V
10
CRYSTAL SPECIFICATIONS
*
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Nominal Frequency
fO
32.768
kHz
Series Resistance
ESR
45
k
Load Capacitance
CL
6
pF
*The crystal, traces, and crystal input pins should be isolated from RF generating signals. Refer to Application Note 58: Crystal Considerations
for Dallas Real-Time Clocks for additional specifications.
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