DS1744P-70IND+ Maxim Integrated Products, DS1744P-70IND+ Datasheet
DS1744P-70IND+
Specifications of DS1744P-70IND+
Related parts for DS1744P-70IND+
DS1744P-70IND+ Summary of contents
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... DQ2 DQ1 DQ0 GND DS1744/DS1744P A14 CC DS1744 A12 A13 A11 A10 DQ7 11 18 DQ0 DQ6 12 17 DQ1 DQ5 13 16 DQ2 DQ4 14 15 GND DQ3 EDIP DS1744P GND BAT PowerCap MODULE BOARD (Uses DS9034PCX PowerCap) N.C. N.C. A14 A13 A12 A11 A10 ...
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... RST — 33, — N.C. 34 X1, X2, — V BAT DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs FUNCTION Address Input Data Input/Output Ground Active-Low Chip-Enable Input Active-Low Output-Enable Input Active-Low Write-Enable Input Power-Supply Input Active-Low Reset Output, Open Drain. Requires a pullup resistor for proper operation. No Connection ...
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... DS1744-70IND+ 5.0 DS1744W-120+ 3.3 DS1744W-120IND+ 3.3 DS1744P-70+ 5.0 DS1744P-70IND+ 5.0 DS1744WP-120+ 3.3 DS1744WP-120IND+ 3.3 +Denotes a lead(Pb)-free/RoHS-compliant package. *DS9034-PCX+ or DS9034I-PCX+ required (must be ordered separately). **A “+” anywhere in the top mark denotes a lead-free device. An “IND” denotes an industrial temperature grade device. ...
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... This design allows the PowerCap to be mounted on top of the DS1744P after the completion of the surface-mount process. Mounting the PowerCap after the surface-mount process prevents damage to the crystal and battery due to the high temperatures required for solder reflow ...
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... Clock accuracy is also affected by the electrical environment and caution should be taken to place the RTC in the lowest- level EMI section of the PC board layout. For additional information, refer to Application Note 58: Crystal Considerations with Dallas Real-Time Clocks. DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs OE WE MODE ...
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... low prior to WE transitioning low, the data bus can become active with read data defined by the address inputs. A low transition on WE then disables the output t after WE goes active. WEZ DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs DATA ...
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... This bit is not writable and should always when read ever present, an exhausted lithium energy source is indicated, and both the contents of the RTC and RAM are questionable. DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs PF CC ...
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... Input) Output Leakage Current (Any Output) Output Logic 1 Voltage (I = -1.0mA) OUT Output Logic 0 Voltage (I = +2.1mA) OUT Write Protection Voltage Battery Switchover Voltage DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs TEMP RANGE 0°C to +70°C, Noncondensing -40°C to +85°C, Noncondesnsing SYMBOL MIN -0.3 ...
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... AC CHARACTERISTICS—READ CYCLE (5V) = 5.0V 10%, (V Over the operating range PARAMETER Read Cycle Time Address Access Time Low-Z CE Access Time CE Data Off Time Low-Z OE Access Time OE Data Off Time Output Hold from Address DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs SYMBOL MIN TYP CC1 I CC2 2.4 ...
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... Over the operating range PARAMETER Read Cycle Time Address Access Time Low-Z CE Access Time CE Data Off Time Low-Z OE Access Time OE Data Off Time Output Hold from Address READ CYCLE TIMING DIAGRAM DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs SYMBOL MIN TYP t 120 CEL t CEA ...
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... Write Cycle Time Address Setup Time WE Pulse Width CE Pulse Width CE and CE2 Pulse Width Data Setup Time Data Hold Time Data Hold Time Address Hold Time Address Hold Time WE Data Off Time Write Recovery Time DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs SYMBOL MIN TYP ...
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... WRITE CYCLE TIMING DIAGRAM, WRITE-ENABLE CONTROLLED WRITE CYCLE TIMING DIAGRAM, CHIP-ENABLE CONTROLLED DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs ...
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... A PARAMETER Before Power-Down IH V Fall Time PF(MAX) PF(MIN) V Fall Time PF(MIN Rise Time PF(MIN) PF(MAX) Power-Up Recover Time Expected Data-Retention Time (Oscillator ON) POWER-UP/DOWN TIMING (5V DEVICE) DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs SYMBOL MIN TYP 300 REC MAX UNITS NOTES s s s ...
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... PF(MAX) PF(MIN) V Rise Time PF(MIN) PF(MAX RST High PF Expected Data-Retention Time (Oscillator ON) POWER-UP/DOWN WAVEFORM TIMING (3.3V DEVICE) CAPACITANCE (T = +25°C) A PARAMETER Capacitance On All Input Pins Capacitance On All Output Pins DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs SYMBOL MIN 300 REC SYMBOL MIN TYP C ...
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... For the latest package outline information and land patterns www.maxim-ic.com/packages. in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. PACKAGE TYPE 28 EDIP 34 PWRCP DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs PACKAGE CODE DOCUMENT NO. MDF28+3 PC2 ...
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... 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 2010 Maxim Integrated Products DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs DESCRIPTION Maxim and the Dallas logo are registered trademarks of Maxim Integrated Products. ...