Manufacturer: |
The Singer Company, Friden Division |
Model Number: |
EC-1114 |
Introduced: |
November 5, 1969 |
Serial Number: |
Two Units in Museum |
|
#1: 43975 |
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#2: 65378 (Thanks to Linda Miller for Donation) |
Date of Manufacture: |
#1: Mid-to-Late 1970, #2, Mid-1971 |
Manufactured In: |
Japan (By Hitachi for Singer) |
|
Hitachi marketed this machine as the Hitachi ELCA-24 |
Original Price: |
$895 |
Weight: |
12 Pounds, 12 Ounces |
Size: |
11" Wide, 14 1/8" Deep, 4 3/4" High |
Power Requirement: |
15 Watts, 115VAC, 50/60Hz |
Display Technology: |
14 Nixie Tubes, Hitachi CD-79 |
Logic Technology: |
59 Small/Medium-Scale P-MOS IC's, Hitachi HD31xx-Series |
|
HD3101: Dual 8-Bit Shift Register |
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HD3103: Quintuple MOSFETs |
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HD3104: Dual 4-Input AND Gates, plus Dual Inverters |
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HD3106: Dual 2-Input AND Gates and Dual 3-Input AND Gates |
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HD3107: Quad D-Type Flip Flops |
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HD3109: 60+4+4 Bit Dynamic Shift Register |
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HD3112: Serial Delayed Binary/BCD Full Adder/Subtractor |
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HD3115: Triple RS Flip Flops |
Digits of Capacity: |
14 digits |
Decimal Modes: |
Fixed at 0 through 9 digits behind decimal on output
|
|
Floating decimal on input
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Arithmetic Logic: |
Arithmetic
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Math Functions: |
Four Function |
Constant: |
[K] keyboard key enables, Multiply/Divide Only |
Memories: |
One, accumulating (M+/M-), with auto-accumulate mode for products/quotients
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Performance: |
Clock Frequency: 67KHz[+/-6 KHz]
|
|
Early Models (Prior to Serial # 34031 ran at 63KHz[+/-6 KHz])
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(Mfg. Claimed) |
Addition/Subtraction: 50ms
|
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Multiplication/Division: 400ms
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