DS2438ZTR データシートの表示（PDF） - Maxim Integrated
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DS2438ZTR Datasheet PDF : 29 Pages
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DS2438
AC ELECTRICAL CHARACTERISTICS: NV MEMORY
(-40°C to +85°C; 2.4V £ VDD £ 10.0V)
PARAMETER
SYMBOL CONDITION MIN TYP MAX UNITS NOTES
NV Write Cycle Time
tWR
2
10
ms
EEPROM Writes (copy
scratchpad command)
NEEWR
-20ºC to +55ºC 50k
writes
EEPROM data retention
tEEDR
-20ºC to +55ºC 10
years
AC ELECTRICAL CHARACTERISTICS: 1-WIRE INTERFACE
(-40°C to +85°C; 2.4V £ VDD £ 10.0V)
PARAMETER
SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Time Slot
tSLOT
60
120
ms
Recovery Time
tREC
1
ms
Write 0 Low Time
tLOW0
60
120
ms
Write 1 Low Time
tLOW1
1
15
ms
Read Data Valid
tRDV
15
ms
Reset Time High
tRSTH
480
ms
Reset Time Low
tRSTL
480
980
ms
Presence Detect High
tPDH
15
60
ms
Presence Detect Low
tPDL
60
240
ms
DQ Capacitance
CDQ
25
pF
NOTES:
1. All voltages are referenced to GND.
2. Input load is to GND.
3. Current measurement accuracy is ±2 LSb or 1%, whichever is greater.
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied.
Maxim reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical
Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000
© Maxim Integrated
The Maxim logo and Maxim Integrated are trademarks of Maxim Integrated Products, Inc.
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