Specifications for Singer/Friden EC-1113

Manufacturer: The Singer Company, Friden Division
Model Number: EC-1113 (Hitachi ELCA-22)
Introduced: February, 1969
Serial Number: 16859
Date of Manufacture: Mid-1969
Manufactured In: Japan (By Hitachi for Singer/Friden)
Same machine marketed by Hitachi as the ELCA-22
Original Price: $895US
Weight: 12 Pounds
Size: 11" Wide, 14" Deep, 5" High (Approximate)
Power Requirement: 15 Watts, 115VAC, 50/60Hz
Display Technology: 12 Nixie Tubes, Hitachi CD-71(early production) or CD-79
1/2" High Digits, Right hand decimal point
Logic Technology: 108 Small-Scale PMOS IC's, Hitachi HD700-Series
HD701: Dual 8-Bit Dynamic Shift Register (9)
HD703: Quad Inverters (17)
HD704: Dual 4-Input AND Gates (9)
HD705: Dual JK Flip Flops (20)
HD707: Quad D-Type Flip Flops (5)
HD712: Dual 2-Input AND Gates & Single 3-Input AND Gate (48)
Digits of Capacity: 12 digits
Decimal Modes: Full Floating Decimal
Arithmetic Logic: Arithmetic
Math Functions: Four Function
Constant: None
Memories: One Accumulating Memory Register
Sum of Products Mode
Performance: Clock Frequency: ~42KHz
(Mfg. Claimed) Addition/Subtraction: 40ms
Multiplication: 73ms
Division: 80ms

Previous Machine: Hewlett Packard 9100B
Next Machine: Sharp Compet 16

Related Machines: Friden 1114
Friden 1115
Friden 1112
Friden 1116
Friden 1117
Friden 1118
Friden 1117A
Friden 1203
Friden 1152
Friden 1162
Friden 132
Friden 130

Documents: Service Manual for Friden 1113

Back to Exhibit
Back to Calculator List

Copyright ©1997-2023, Rick Bensene.

All content on this site is not to be gathered, scraped, replicated, or accesed in any way for any use in populating machine learning or intelligence (Artificial Intelligence, a.k.a. AI) databases, language models, graphs, or other AI-related data structures. Such use is a violation of copyright law. Any such access will be reported to the Oregon Attorney General and prosecuted to the fullest extent the law allows.