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DS1321 Datasheet

  • DS1321

  • Flexible Nonvolatile Controller with Lithium Battery Monitor

  • Dallas   Dallas

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DS1321
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-0.5V to +7.0V
-40擄C to +85擄C
-55擄C to +125擄C
260擄C for 10 seconds
* 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.
RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
Supply Voltage TOL=GND
Supply Voltage TOL=V
CCO
Battery Supply Voltage
Logic 1 Input
Logic 0 Input
SYMBOL
V
CCI
V
CCI
V
BAT
V
IH
V
IL
MIN
4.75
4.5
2.0
2.0
-0.3
TYP
5.0
5.0
3.0
MAX
5.5
5.5
6.0
V
CCI
+0.3
+0.8
(-40擄C to +85擄C)
UNITS
V
V
V
V
V
NOTES
1
1
1
1, 12
1, 12
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Operating Current (TTL inputs)
Operating Current (CMOS inputs)
RAM Supply Voltage
RAM Supply Current
(V
CCO
鈮?/div>
V
CCI
-0.2V)
Supply Current
(V
CCO
鈮?/div>
V
CCI
-0.3V)
V
CC
Trip Point (TOL=GND)
V
CC
Trip Point (TOL=V
CCO
)
V
BAT
Trip Point
Output Current @ 2.2V
Output Current @ 0.4V
Input Leakage
Output Leakage
Battery Monitoring Test Load
SYMBOL
I
CC1
I
CC2
V
CCO
I
CCO1
I
CCO2
V
CCTP
V
CCTP
V
BTP
I
OH
I
OL
I
IL
I
LO
R
INT
4.50
4.25
2.50
-1
-1.0
-1.0
0.8
MIN
V
CC1
-0.2
(-40擄C to +85擄C; V
CCI
鈮?/div>
V
CCTP
)
TYP
1
100
MAX
1.5
150
185
260
4.62
4.37
2.6
4.75
4.50
2.70
4
+1.0
+1.0
1.5
UNITS
mA
碌A
V
mA
mA
V
V
V
mA
mA
碌A
碌A
M鈩?/div>
NOTES
2
2, 5
1
3
4
1
1
1
7, 10
7, 10
1.2
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Battery Current
Battery Backup Current
Supply Voltage
CEO
Output
SYMBOL
I
BAT
I
CCO3
V
CCO
V
OHL
(-40擄C to +85擄C; V
CCI
< V
BAT
; V
CCI
< V
CCTP
)
MIN
TYP
MAX
UNITS NOTES
100
nA
2
500
碌A
6
V
BAT
-0.2
V
1
V
1, 8
V
BAT
-0.2
6 of 12

DS1321 產(chǎn)品屬性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 25

  • 集成電路 (IC)

  • 存儲器 - 控制器

  • -

  • 非易失性 RAM

  • 4.75 V ~ 5.5 V

  • -40°C ~ 85°C

  • 16-DIP（0.300"，7.62mm）

  • 16-PDIP

  • 管件

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