參數(shù)資料
型號(hào): DS1500YEN
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 12/20頁(yè)
文件大?。?/td> 0K
描述: IC RTC Y2KC W/NV CTRL 5V 32TSOP
標(biāo)準(zhǔn)包裝: 1
類型: 時(shí)鐘/日歷
特點(diǎn): 警報(bào)器,閏年,NVSRAM,方波輸出,監(jiān)視計(jì)時(shí)器,Y2K
存儲(chǔ)容量: 256B
時(shí)間格式: HH:MM:SS(24 小時(shí))
數(shù)據(jù)格式: YY-MM-DD-dd
接口: 并聯(lián)
電源電壓: 4.5 V ~ 5.5 V
電壓 - 電源,電池: 2.5 V ~ 3.7 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-LFSOP(0.724",18.40mm 寬)
供應(yīng)商設(shè)備封裝: 32-TSOP
包裝: 托盤
DS1500 Y2KC Watchdog RTC with Nonvolatile Control
2 of 20
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………………………..-0.5V to +6.0V
Operating Temperature Range (Industrial)
...……………………………………………-40°C to +85°C (Note 1)
Operating Temperature Range (Commercial)
…………….………………………………...……-0°C to +70°C
Storage Temperature Range
………………………………………………………………….-55°C to +125°C
Lead Temperature (soldering, 10s)……….
……………………….…………………………………… +300°C
Soldering Temperature (reflow)
………………………………….…………………………………… +260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED DC OPERATING CONDITIONS
(TA = Over the Operating Range.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply Voltage (Note 2)
VCC
5V (Y)
4.5
5.0
5.5
V
3.3V (W)
3.0
3.3
3.6
Logic 1 Voltage All Inputs (Note 2)
VIH
Y
2.2
VCC +
0.3
V
W
2.0
VCC +
0.3
Pullup Voltage, IRQ, PWR, and RST Outputs
VPU
(Note 2)
5.5
V
Logic 0 Voltage All Inputs (Note 2)
VIL
Y
-0.3
+0.8
V
W
-0.3
+0.6
Battery Voltage (Note 2)
VBAT
2.5
3.0
3.7
V
Auxiliary Battery Voltage (Note 2)
VBAUX
Y
2.5
3.0
5.3
V
W
2.5
3.0
3.7
DC ELECTRICAL CHARACTERISTICS
(VCCMIN < VCCI < VCCMAX, TA = Over the Operating Range.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Active Supply Current (Note 3)
ICC
Y
15
mA
W
10
TTL Standby Current (CS = VIH)
ICC1
Y
5
mA
W
4
CMOS Standby Current
(CS ≥ VCCI - 0.2V)
ICC2
Y
5
mA
W
4
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
(Note 2)
2.4
V
Output Logic 0 Voltage (IOUT = 2.1mA,
DQ0–7, CEO IOUT = 5.0mA, IRQ,
IOUT = 7.0mA PWR, and RST)
VOL1
(Note 2)
0.4
V
VOL2
(Notes 2, 4)
0.4
V
Battery Low, Flag Trip Point (Note 2)
VBLF
Y
2.0
V
W
1.9
Output Voltage (ICCO1 = 85mA ) (Note 5)
VCCO1
Y
VCCI -
0.3
V
W
Power-Fail Voltage (Note 2)
VPF
Y
4.20
4.50
V
W
2.75
2.97
Battery Switchover Voltage
VSO
(Notes 2, 6)
VBAT,
VBAUX,
or VPF
V
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