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
|