Timers

Sanyo - LM8560  IC, Timer.

Single–Chip ED MOS LSI

LED Direct Drive by Time–Sharing (Duplex)
Wide Operating Voltage Range
Alarm on a 24–Hour Basis
Two Selections of Time Format: AM/PM 12–Hour Basis & 24–Hour Basis
On–Chip CR Oscillator for Battery Backup
50Hz or 60Hz Reference Frequency
Automatic Advance Capable: “Hours”, “Minutes”
Sleep Timer: Max. 59 Minutes or 1Hour, 59 Minutes
Repeatedly Usable Snooze
Power Failure Indicator
900Hz Output for Alarm Tone

Applications: Digital Alarm Clock.

Case: 28 Dip.

Alternates: ECG2062, NTE2062

Genuine Sanyo - New Old Stock

Additional Information: http://pdf.datasheetcatalog.com/datasheet/sanyo/LM8560B.pdf

Rockwell - R6532-15 IC, Timer.

RAM-I/O-Interval Timer (RIOT).

128B RAM

Package: 40 DIP.

New.

Additional Data: http://www.datasheetcatalog.com/datasheets_pdf/R/6/5/3/R6532.shtml

Note: Double marked C010750-12.

Applications: Atari 2600, Gottlieb Pinball Machines, Atari 810,1050 Disc Drives, 8050/8250/8250lp Commodore Pet disk drives, Atari 850 interface.

Philips - 7555ID - IC, Timer.

The ICM7555 and ICM7556 are CMOS RC timers providing significantly improved performance over the standard SE/NE555/6 and 355 timers.

Status: Discontinued

Type: 555 Type, Timer/Oscillator (Single)

Frequency: 500kHz

Voltage – Supply: 3V ~ 16V

Current – Supply: 180 µA

Operating Temperature: -40°C ~ 85°C

Package / Case: 8-SOIC (0.154", 3.90mm Width)

Supplier Device Package: 8-SO

Mounting Type: Surface Mount

Case: 8 SMD.

National Semiconductor Corp - LM556CN - IC, timer.

Dual 555.

Package: 14 Dip.

National Semiconductor Corp - LM3905N - IC, Timer. Precision.

Timing periods from microseconds to hours.

Operates from 4.5 to 40V supplies.

Input protected from +/-40V.

Timing period can be voltage controlled.

TTL compatible input and output.

Package: 8 Dip.

Genuine National Semiconductor 

Note: Used/Removed from equipment.