| Manufacturer: |
The Singer Company, Friden Division |
| Model Number: |
EC-1114 |
| Introduced: |
November 5, 1969 |
| Serial Number: |
Two Units in Museum |
|
#1: 43975 |
|
#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 |
|
HD3103: Quintuple MOSFETs |
|
HD3104: Dual 4-In AND Gates, plus Dual Inverters |
|
HD3106: Dual 2-In AND Gates and Dual 3-in AND Gates |
|
HD3107: Quad D-Type Flip Flops |
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HD3109: 60+4+4 Bit Dynamic Shift Register |
|
HD3112: Serial Delayed Binary/BCD Full Adder/Subtractor |
|
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
|
| Arithmetic Logic: |
Arithmetic
|
| Math Functions: |
Four Function |
| Constant: |
K keyboard key enables, Multiply/Divide Only |
| Memories: |
One, accumulating (M+/M-), with auto-accumulate mode for products/quotients
|
| Performance: |
Clock Frequency: 67KHz[+/-6 KHz]
|
|
Early Models (Prior to Serial # 34031 ran at 63KHz[+/-6 KHz])
|
|
Addition/Subtraction: 50ms
|
|
Multiplication/Division: 400ms
|