参数资料
型号: DS1312E
厂商: Maxim Integrated
文件页数: 9/12页
文件大小: 0K
描述: IC CONTROLLER NV BW/RST 20-TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 74
控制器类型: 非易失性 RAM
电源电压: 4.75 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 管件
DS1312
6 of 12
VCC/VBAT Switch Point
VSW
2.6
2.7
2.8
V
2
Output Current @ 2.4V
IOH
-1
mA
8, 11
Output Current @ 0.4V
IOL
4
mA
8, 11
Input Leakage
IIL
-1.0
+1.0
A
Output Leakage
ILO
-1.0
+1.0
A
Battery Monitoring Test Load
RINT
0.8
1.2
1.5
DC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; VCCI < VBAT; VCCI < VSW)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Battery Current
IBAT
100
nA
3
Battery Backup Current
ICCO2
500
A
7
Supply Voltage
VCCO
VBAT-0.2
V
2
CEO
Output
VOHL
VBAT-0.2
V
2, 9
CAPACITANCE
(TA = +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance ( CEI , TOL)
CIN
7
pF
Output Capacitance
( CEO , BW , RST )
COUT
7
pF
AC ELECTRICAL CHARACTERISTICS
(-40°C to +85°C; VCCI > VCCTP)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
CEI
to CEO Propagation Delay
tPD
5
10
ns
CE
Pulse Width
tCE
1.5
s
12
VCC Valid to End of
Write Protection
tREC
12
125
ms
10
VCC Valid to CEI Inactive
tPU
2
ms
VCC Valid to RST Inactive
tRPU
150
200
350
ms
11
VCC Valid to BW Valid
tBPU
1
s
11
AC ELECTRICAL CHARACTERISTICS
(-40°C to +85°C; VCCI < VCCTP)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
VCC Slew Rate
tF
150
s
VCC Fail Detect to RST Active
tRPD
5
15
s
11
VCC Slew Rate
tR
150
s
AC ELECTRICAL CHARACTERISTICS
(-40°C to +85°C; VCCI > VCCTP)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Battery Test to BW Active
tBW
1
s
11
Battery Test Cycle-Normal
tBTCN
24
hr
Battery Test Cycle-Warning
tBTCW
5
s
Battery Test Pulse Width
tBTPW
1
s
Battery Detach to Battery Attach
tBDBA
7
s
Battery Attach to BW Inactive
tBABW
1
s
11
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