| Manufacturer: |
The Singer Company, Friden Division |
| Model Number: |
EC-1115 |
| Introduced: |
February 4, 1970 |
| Serial Number: |
93487 |
| Date of Manufacture: |
Mid-to-Late 1970
|
| Manufactured In: |
Japan (By Hitachi for Singer) |
| Original Price: |
$695 |
| Weight: |
10 Pounds |
| Size: |
10" Wide, 13" Deep, 4" High |
| Power Requirement: |
17.5 Watts, 115VAC, 50/60Hz |
| Display Technology: |
12 Nixie-clone Tubes, Hitachi CD-79 |
| Logic Technology: |
45 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 |
|
HD3109: 60+4+4 Bit Dynamic Shift Register |
|
HD3112: Serial Delayed Binary/BCD Full Adder/Subtractor |
|
HD3115: Triple RS Flip Flops |
| Digits of Capacity: |
12 digits |
| Decimal Modes: |
Fixed at 0, 2, or 5 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: |
None
|
| Performance: |
Clock Frequency: 60KHz[+/- 8KHz]
|
|
Addition/Subtraction: 50mS
|
|
Multiplication/Division: 400mS
|
| Notes: |
OEM Version of Hitachi ELKA-32
|