參數(shù)資料
型號: DS1556W-120
廠商: Maxim Integrated Products
文件頁數(shù): 3/18頁
文件大?。?/td> 0K
描述: IC RTC RAM Y2K 3.3V 120NS 32EDIP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 11
類型: 時鐘/日歷
特點: 警報器,閏年,NVSRAM,監(jiān)視計時器,Y2K
存儲容量: 128KB
時間格式: HH:MM:SS(24 小時)
數(shù)據(jù)格式: YY-MM-DD-dd
接口: 并聯(lián)
電源電壓: 2.97 V ~ 3.63 V
工作溫度: 0°C ~ 70°C
安裝類型: 通孔
封裝/外殼: 32-DIP 模塊(0.600",15.24mm)
供應商設備封裝: 32-EDIP
包裝: 管件
DS1556 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
11 of 18
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………..……………………………………………..-0.3V to +6.0V
Storage Temperature Range
EDIP........................………………………………………………………………...................................-40°C to +85°C
PowerCap..............………………………………………………….…………………………………..-55°C to +125°C
Lead Temperature (soldering, 10s).………..........................................................................................................................+260°C
Note: EDIP is hand or wave-soldered only.
Soldering Temperature (reflow, PowerCap)………………………………….....................................................................+260°C
This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect
reliability.
OPERATING RANGE
RANGE
TEMP RANGE
VCC
Commercial
0°C to +70°C
3.3V
10% or 5V 10%
Industrial
-40°C to +85°C
3.3V
10% or 5V 10%
RECOMMENDED DC OPERATING CONDITIONS
(Over the Operating Range)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
VCC = 5V 10%
2.2
VCC +
0.3V
V
Logic 1 Voltage All Inputs
(Note 1)
VIH
VCC = 3.3V 10%
2.0
VCC +
0.3V
V
VIL
VCC = 5V 10%
-0.3
+0.8
Logic 0 Voltage All Inputs
(Note 1)
VIL
VCC = 3.3V 10%
-0.3
+0.6
DC ELECTRICAL CHARACTERISTICS
(VCC = 5.0V 10%, Over the Operating Range.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Active Supply Current
ICC
(Notes 2, 3, 11)
30
85
mA
TTL Standby Current
(
CE = V
IH)
ICC1
(Notes 2, 3)
4
6
mA
CMOS Standby Current
(
CE
V
CC - 0.2V)
ICC2
(Notes 2, 3)
2
6
mA
Input Leakage Current
(Any Input)
IIL
-1
+1
A
Output Leakage Current
(Any Output)
IOL
-1
+1
A
Output Logic 1 Voltage
(IOUT = -1.0 mA)
VOH
(Note 1)
2.4
V
VOL1
IOUT = 2.1 mA, DQ0–7
Outputs (Note 1)
0.4
V
Output Logic 0 Voltage
VOL2
IOUT = 7.0 mA, IRQ/FT,
and
RST Outputs
(Notes 1, 5)
0.4
V
Write Protection Voltage
VPF
(Note 1)
4.20
4.50
V
Battery Switchover Voltage
VSO
(Notes 1,4)
VBAT
V
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