| 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
|