参数资料
型号: DS1321E/T&R
厂商: Maxim Integrated
文件页数: 11/13页
文件大小: 0K
描述: IC CTRL NV W/BATT MON 5V 20TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
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: 带卷 (TR)
DS1321
7 of 13
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 < VCCTP)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Battery Current
IBAT
100
nA
3
Battery Backup Current
ICCO3
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, MODE)
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
12
20
ns
CE
Pulse Width
tCE
1.5
s
12
VCC Valid to End of
Write Protection
tREC
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
15
s
11
VCC Slew Rate
tR
15
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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