| Manufacturer: |
Sony Corporation |
| Model Number: |
ICC-2550W |
| Serial Number: |
621203 |
| Introduction: |
1970 |
| Date of Manufacture: |
Mid-1970 |
| Manufactured In: |
Tokyo, Japan |
| Original Price: |
$1,950 (April, 1971) |
| Weight: |
22 Pounds |
| Size: |
12 1/2" Wide, 17" Deep, 6" High |
Power Requirement: |
32 Watts, 120VAC 60Hz |
| Display Technology: |
15 Nixie Tubes, Hitachi CD-81, 1/2" Tall Digit, Right Hand Decimal Point
|
|
Incandescent Status and Program Step Indicators |
| Logic Technology: |
197 Sony-proprietary 500-Series 14-pin DIP Small-Scale Integrated Circuits |
|
501: Single 4-Input NAND, Single 3-Input NAND, and Single 2-Input NAND Gates(116)
|
|
502: Single 6-Input NAND and Single 4-Input NAND Gates(29)
|
|
503: Dual 5-Input NAND Gates(18)
|
|
504: Dual J-K Flip Flops with 2-Phase Clocking(31)
|
|
509: ??? - Please contact museum if you know this chip's function/pinout(3)
|
|
Longitudinal pulse magnetostrictive delay line for memory register and program step storage |
|
Two National Semiconductor MM-5001 P-Channel MOS Dual 64-Bit Shift Register ICs for Working Register Storage (256 bits total)
|
| Digits of Capacity: |
15 + 1 non-displayed guard digit |
| Decimal Modes: |
Fixed at 0 through 14 digits behind decimal point, adjusted with [◄∙] and [∙►] keys
|
| Arithmetic Logic: |
Arithmetic |
| Math Functions: |
Four Function w/Automatic Square Root |
| Constant: |
No |
| Memories: |
Nine. Designated as registers 1 through 9 |
|
Memory Store/Recall/Add/Subtract Functions |
| Programmable: |
Yes, Learn Mode, 253 Step Program Memory |
|
Conditional and unconditional labeled branch instructions |
|
Magnetic Card Reader/Writer for Offline Program Storage |