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Analog and Interface Product Selector Guide

INTERFACE AND NETWORKING: Real-Time Clock/Calendar (RTCC)

Bus

Product Pins

Timing Features Memory

(1)

Power

Unique Features

(2)

5 ku

Pricing

†

Packages

Digital Trimming

(Adj./Range)

Alarm

Settings

WDT Outputs

SRAM

(Bytes)

EERPOM

(Kbits)

Protected

EEPROM (bits)

Min

Ibat

MCP7940M 8 ±127 ppm 1 sec. – IRQ/CLK 64 0 0 1.8 – – $0.46 SOIC (SN), TSSOP (ST), MSOP (MS), TDFN (MNY), PDIP (P)

MCP7940N 8 ±127 ppm 1 sec. –

IRQ/CLK 64 0 0 1.8 1.3 Power Fail Timestamp $0.59 SOIC (SN), TSSOP (ST), MSOP (MS), TDFN (MNY), PDIP (P)

MCP7940X 8 ±127 ppm 1 sec. –

IRQ/CLK 64 0 64 1.8 1.3 Power Fail Timestamp $0.66 SOIC (SN), TSSOP (ST), MSOP (MS), TDFN (MNY)

MCP7941X 8 ±127 ppm 1 sec. –

IRQ/CLK 64 1 64 1.8 1.3 Power Fail Timestamp $0.72 SOIC (SN), TSSOP (ST), MSOP (MS), TDFN (MNY)

SPI

MCP7951X 10 ±255 ppm 0.01 sec. – IRQ/CLK 64 1 128 1.8 1.3 Power Fail Timestamp $0.90 SOIC (SL), TSSOP (ST)

MCP7952X 10 ±255 ppm 0.01 sec. –

IRQ/CLK 64 2 128 1.8 1.3 Power Fail Timestamp $0.96 MSOP (MS), TDFN (MN)

MCP795W1X 14 ±255 ppm 0.01 sec.

1. CLK, 2. IRQ,

3. WDT RST

64 1 128 1.8 1.3

Power Fail Timestamp,

Event Detects (× 2)

$1.22 SOIC (SL), TSSOP (ST)

MCP795W2X 14 ±255 ppm 0.01 sec.

1. CLK, 2. IRQ,

3. WDT RST

64 2 128 1.8 1.3

Power Fail Timestamp,

Event Detects (× 2)

$1.28 SOIC (SL), TSSOP (ST)

Note 1: All part numbers with an “X” have three protected EEPROM programming options: [0 = Blank ID], [1 = EUI-48™ MAC Address], [2 =EUI-64™ MAC Address]

2: The Power Fail Timestamp in all RTCCs occur at Battery Switchover.

CO AND SMOKE DETECTOR ICS

CO AND SMOKE DETECTOR ICS: Photoelectric Smoke Detector ICs

Part #

Horn Driver

Alarm Pattern

Alarm

Memory

Low Battery

Detection

Chamber

Test

Alarm

Interconnect

Sensitivity

Timer

Internal

POR

Alternate

Diagnostic Mode

Operating

Temp. Range (°C)

Packages

RE46C140 NFPA Temporal No Yes Yes Yes Yes Yes – −25 to +75 16-pin PDIP, 16-pin SOIC

RE46C141 NFPA Temporal No Yes Yes Yes – Yes – −25 to +75 16-pin PDIP, 16-pin SOIC

RE46C143 Continuous Tone No Yes Yes Ye s – Ye s – −25 to +75 16-pin PDIP, 16-pin SOIC

RE46C144 Continuous Tone No Yes Yes Ye s Yes Yes – −25 to +75 16-pin PDIP, 16-pin SOIC

RE46C145 NFPA Temporal No Yes Yes Yes Yes Yes Yes −25 to +75 16-pin PDIP, 16-pin SOIC

RE46C165 NFPA Temporal Yes Ye s Yes Yes Yes Ye s Yes −25 to +75 16-pin PDIP, 16-pin SOIC

RE46C166 Continuous Tone Yes Yes Ye s Yes Yes Yes Yes −25 to +75 16-pin PDIP, 16-pin SOIC

RE46C167 NFPA Temporal Yes Ye s Yes Yes Yes Ye s Yes −25 to +75 16-pin PDIP, 16-pin SOIC

RE46C168 Continuous Tone Yes Yes Ye s Yes Yes Yes Yes −25 to +75 16-pin PDIP, 16-pin SOIC

RE46C190 NFPA Temporal or Continuous Tone Ye s Yes Yes Ye s Yes Yes – −10 to +60 16-pin SOIC

CO AND SMOKE DETECTOR ICS

: Ionization Smoke Detector ICs

Part #

Horn Driver

Alarm Pattern

Alarm

Memory

Low Battery

Detection

Reverse Battery

Protection

Alarm

Interconnect

Hush

Timer

Power-up

Low Battery Test

Operating Temp.

Range (°C)

Packages

RE46C120 NFPA Temporal or Continuous Tone No Yes Ye s – – – −10 to +60 16-pin PDIP

RE46C121 NFPA Temporal No Ye s Yes Yes – – −10 to +60 16-pin PDIP

RE46C122 NFPA Temporal No Ye s Yes Yes Ye s Ye s −10 to +60 16-pin PDIP

RE46C126 Continuous Tone No Yes Yes Yes – – −10 to +60 16-pin PDIP

RE46C127 Continuous Tone No Yes Yes Yes Ye s Ye s −10 to +60 16-pin PDIP

RE46C128 NFPA Temporal No Ye s Yes Yes – Yes −10 to +60 16-pin PDIP

RE46C129 Continuous Tone No Yes Yes Yes – Yes −10 to +60 16-pin PDIP

RE46C152 NFPA Temporal or Continuous Tone No Yes Ye s Yes Yes Yes −10 to +60 16-pin PDIP

RE46C162 NFPA Temporal or Continuous Tone Yes Yes Yes Ye s Yes Yes −10 to +60 16-pin PDIP

RE46C163 NFPA Temporal or Continuous Tone Yes Yes Yes Ye s Yes Yes −10 to +60 16-pin PDIP

RE46C180 NFPA Temporal or Continuous Tone Yes Yes No Ye s Yes Yes −10 to +60 16-pin PDIP, 16-pin SOIC

CO AND SMOKE DETECTOR ICS

: Ionization Smoke Detector Front Ends

Part # Microprocessor Compatible Output Output Options Typical Application Operating Temperature Range (°C) Packages

RE46C112 Ye s Vout 1/4 of Vdd or Vout 1/4 of Detect Input 3V or 3.3V Microprocessor −10 to +60 8-pin PDIP

RE46C114 Ye s V

out 1/2 of Vdd or Vout 1/2 of Detect Input 5V Microprocessor −10 to +60 8-pin PDIP

RE46C311 Ye s Op Amp Ionization Smoke Detector Front End −10 to +60 8-pin PDIP, 8-pin SOIC

RE46C312 Ye s Op Amp Ionization Smoke Detector Front End −10 to +60 8-pin PDIP, 8-pin SOIC