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MSM5547RS
OKI Electric Industry Co Ltd
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Check for Price | Obsolete | 4.19 MHz | NO | 6 V | TIMER, REAL TIME CLOCK | CMOS | PARALLEL, DIRECT ADDRESS/MUXED BUS | 16 V | 4 V | OTHER | R-PDIP-T42 | Not Qualified | 85 °C | -30 °C | 42 | PLASTIC/EPOXY | DIP | RECTANGULAR | IN-LINE | THROUGH-HOLE | 2.54 mm | DUAL | 5.08 mm | 15.24 mm | 51.98 mm | OKI ELECTRIC INDUSTRY CO LTD | DIP | DIP, | 42 | unknown | EAR99 | 8542.39.00.01 | ||||||||||||||||||
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M41ST95YMX6TR
STMicroelectronics
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Check for Price | Yes | Obsolete | 32 kHz | YES | 5 V | TIMER, REAL TIME CLOCK | CMOS | SERIAL, 3-WIRE | Y | 5.5 V | 4.5 V | INDUSTRIAL | 1/100 SECOND | NO | R-PDSO-G28 | Not Qualified | e4 | 85 °C | -40 °C | 28 | PLASTIC/EPOXY | SOP | SOP28,.4 | RECTANGULAR | SMALL OUTLINE | NICKEL PALLADIUM GOLD | GULL WING | 1.27 mm | DUAL | 2.69 mm | 7.62 mm | 17.96 mm | STMICROELECTRONICS | SOIC | 0.300 INCH, PLASTIC, SOIC-28 | 28 | compliant | EAR99 | 8542.39.00.01 | |||||||||||
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DS1244Y-100-IND
Maxim Integrated Products
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Check for Price | No | Obsolete | 8 | NO | 5 V | TIMER, REAL TIME CLOCK | CMOS | PARALLEL, DIRECT ADDRESS | N | 5.5 V | 4.5 V | INDUSTRIAL | 1/100 SECOND | NO | R-XDMA-P28 | Not Qualified | e0 | 85 °C | -40 °C | 28 | UNSPECIFIED | DIP | DIP28,.6 | RECTANGULAR | MICROELECTRONIC ASSEMBLY | TIN LEAD | PIN/PEG | 2.54 mm | DUAL | MAXIM INTEGRATED PRODUCTS INC | MODULE | DIP, DIP28,.6 | 28 | not_compliant | EAR99 | 8542.39.00.01 | ||||||||||||||
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MM58274CN
National Semiconductor Corporation
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Check for Price | No | Obsolete | 6502; 6800 | 4 | 32 kHz | NO | 5 V | TIMER, REAL TIME CLOCK | CMOS | PRESCALED XTAL OSCILLATOR OUTPUT FOR RTC | PARALLEL, DIRECT ADDRESS | N | 1 mA | 5.5 V | 4.5 V | INDUSTRIAL | 1/10 SECOND | YES | R-PDIP-T16 | Not Qualified | e0 | 85 °C | -40 °C | 16 | PLASTIC/EPOXY | DIP | DIP16,.3 | RECTANGULAR | IN-LINE | TIN LEAD | THROUGH-HOLE | 2.54 mm | DUAL | 5.08 mm | 7.62 mm | 21.755 mm | NATIONAL SEMICONDUCTOR CORP | 0.300 INCH, PLASTIC, DIP-16 | unknown | EAR99 | 8542.39.00.01 | |||||||||
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5962-8552301QA
Rochester Electronics LLC
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Check for Price | Obsolete | 16 | 16 | 1 MHz | 5 | NO | 5 V | TIMER, PROGRAMMABLE | MOS | PARALLEL, DIRECT ADDRESS | 5.25 V | 4.75 V | MILITARY | R-GDIP-T40 | Not Qualified | e0 | 125 °C | -55 °C | MIL-STD-883 | 40 | CERAMIC, GLASS-SEALED | DIP | DIP40,.6 | RECTANGULAR | IN-LINE | TIN LEAD | THROUGH-HOLE | 2.54 mm | DUAL | 5.588 mm | 15.24 mm | 52.2605 mm | ROCHESTER ELECTRONICS LLC | DIP | CERAMIC, DIP-40 | 40 | unknown | EAR99 | 8542.39.00.01 | |||||||||||
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RTC-4543SA:ROHS
Epson Electronics America Inc
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Check for Price | No | Yes | Obsolete | 32 kHz | YES | 5 V | TIMER, REAL TIME CLOCK | CMOS | SERIAL, 3-WIRE | 5.5 V | 2.5 V | INDUSTRIAL | R-PDSO-G14 | Not Qualified | e2 | 85 °C | -40 °C | 14 | PLASTIC/EPOXY | SOP | RECTANGULAR | SMALL OUTLINE | TIN SILVER | GULL WING | 1.27 mm | DUAL | 3.3 mm | 5 mm | 10.1 mm | SEIKO EPSON CORP | SOIC | SOP, | 14 | compliant | EAR99 | 8542.39.00.01 | ||||||||||||||
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DS1643P-150
Maxim Integrated Products
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Check for Price | No | Transferred | 8 | 32 kHz | 5 V | TIMER, REAL TIME CLOCK | CMOS | PARALLEL, DIRECT ADDRESS | N | 5.5 V | 4.5 V | COMMERCIAL | SECONDS | NO | Not Qualified | 70 °C | 34 | PLASTIC/EPOXY | MODULE,34LEAD,1.0 | MICROELECTRONIC ASSEMBLY | MAXIM INTEGRATED PRODUCTS INC | not_compliant | EAR99 | 8542.39.00.01 | ||||||||||||||||||||||||||
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IS82C54-1096
Rochester Electronics LLC
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Check for Price | No | No | Contact Manufacturer | 16 | 8 | 10 MHz | 3 | YES | 5 V | TIMER, PROGRAMMABLE | CMOS | PARALLEL, DIRECT ADDRESS | 5.5 V | 4.5 V | INDUSTRIAL | S-PQCC-J28 | Not Qualified | 3 | 85 °C | -40 °C | 28 | PLASTIC/EPOXY | QCCJ | SQUARE | CHIP CARRIER | J BEND | 1.27 mm | QUAD | 4.57 mm | 11.505 mm | 11.505 mm | ROCHESTER ELECTRONICS LLC | LCC | PLASTIC, MS-018AB, LCC-28 | 28 | unknown | EAR99 | 8542.39.00.01 | ||||||||||||
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DS1557P-70IND+
Maxim Integrated Products
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$45.4718 | Yes | Yes | Transferred | 8 | 32 kHz | YES | 5 V | TIMER, REAL TIME CLOCK | CMOS | PARALLEL, DIRECT ADDRESS | Y | 5.5 V | 4.5 V | INDUSTRIAL | SECONDS | NO | R-XDMA-U34 | Not Qualified | e3 | 85 °C | -40 °C | 34 | UNSPECIFIED | MODULE,34LEAD,1.0 | RECTANGULAR | MICROELECTRONIC ASSEMBLY | MATTE TIN | J INVERTED | DUAL | MAXIM INTEGRATED PRODUCTS INC | DMA | ROHS COMPLIANT, POWERCAP MODULE-34 | 34 | compliant | EAR99 | 8473.30.11.80 | ||||||||||||||
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IS82C54-12
Intersil Corporation
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Check for Price | No | Obsolete | 16 | 8 | 12 MHz | 3 | YES | 5 V | TIMER, PROGRAMMABLE | CMOS | PARALLEL, DIRECT ADDRESS | 5.5 V | 4.5 V | INDUSTRIAL | S-PQCC-J28 | Not Qualified | e0 | 3 | 85 °C | -40 °C | 28 | PLASTIC/EPOXY | QCCJ | SQUARE | CHIP CARRIER | TIN LEAD | J BEND | 1.27 mm | QUAD | 4.57 mm | 11.505 mm | 11.505 mm | INTERSIL CORP | QCCJ, | not_compliant | EAR99 | 8542.39.00.01 |