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參數(shù)資料
| 型號： | DS1318 |
| 元件分類： | 通用總線功能 |
| 英文描述： | Parallel-Interface Elapsed Time Counter |
| 中文描述： | 并行接口歷時計數(shù)器 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大?。?/td> | 158K |
| 代理商： | DS1318 |
Typical Operating Characteristics
(V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.)
I
BAT
vs. TEMPERATURE
V
BAT
= 3.0V
D
TEMPERATURE (
°
C)
S
60
40
20
0
-20
650
700
750
800
850
600
-40
80
V
CC
= 0
I
BAT
vs. V
BAT
D
V
BACKUP
(V)
S
3.5
3.1
2.7
2.3
1.9
550
600
650
700
750
800
850
500
1.5
V
CC
= 0
OSCILLATOR FREQUENCY vs. VOLTAGE
D
INPUT VOLTAGE (V)
F
3.5
3.0
2.5
32768.10
32768.20
32768.30
32768.40
32768.50
32768.45
32768.35
32768.25
32768.15
32768.05
32768.00
2.0
4.0
D
Parallel-Interface Elapsed Time Counter
6
_____________________________________________________________________
AC TEST CONDITIONS
PARAMETER
TEST CONDITION
Input Pulse Levels
Output Load Including Scope and Jig
Input and Output Timing Measurement Reference Levels
Input-Pulse Rise and Fall Times
0 to 2.7V
25pF + 1TTL Gate
V
CC
/ 2
4ns
WARNING:
Under no circumstances are negative undershoots, of any amplitude, allowed when device is in write protection.
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Limits at -40°C are guaranteed by design and not production tested.
All voltages are referenced to ground.
OE
,
CE
,
WE
, EXT, and A3–A0.
DQ7–DQ0, SQW, and
IRQ
, when the outputs are high impedance.
Outputs open.
Specified with parallel bus inactive.
Measured with a 32,768kHz crystal attached to the X1 and X2 pins.
The parameter t
OSF
is the period of time that the oscillator must be stopped for the OSF flag to be set over the voltage
range of 0V
≤
V
CC
≤
V
CC(MAX)
and 1.3V
≤
V
BACKUP
≤
3.7V.
This delay applies only if the oscillator is enabled and running. If the ENOSC bit is 0, t
REC
is disabled, and the device is
immediately accessible. If
CE
and
OE
are low on power-up, the DQ outputs are active. Valid data out is not available until
after t
REC
.
Note 9:
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1318_10 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Parallel-Interface Elapsed Time Counter |
| DS1318E | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Parallel-Interface Elapsed Time Counter |
| DS1318E/GG8 | 制造商:Maxim Integrated Products 功能描述:44 BIT PARALLEL INTFACE ETC 24P TSS - Rail/Tube |
| DS1318E+ | 功能描述:實(shí)時時鐘 Parallel-Interface Elapsed Time Cntr RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1318E+T&R | 制造商:Maxim Integrated Products 功能描述:44 BIT PRLLEL INTFC ETC TRL LF - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC COUNTER ELAPSED TIME 24TSSOP |
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