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參數(shù)資料
| 型號(hào)： | TC83220-0027 |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP42 |
| 封裝： | 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42 |
| 文件頁(yè)數(shù)： | 9/16頁(yè) |
| 文件大?。?/td> | 261K |
| 代理商： | TC83220-0027 |
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TC83220-0027
2003-03-12
2
Kinds of lock key: “NP” printing mode selectable switch.
“Σ” summation mode selectable switch.
“5/4” “CUT” “UP” rounding switch.
Fixed point mode selectable switch.
“0”, “1”, “2”, “3”, “4”, “6”, “F”, “A”.
“IC+” item counter mode selectable switch.
“GT” grand total memory selectable switch.
“SET”, “CAL” tax memory selectable switch.
Duty of display: Duty = 1/17.77
Leading zero suppression
Trailing zero suppression
Tax calculation: +TAX key is calculation for included tax.
TAX key is calculation for excluded tax.
SET selects set mode for tax rate.
CAL selects normal calculation mode.
Changing lock key from SET to CAL stores number of display to tax memory.
Changing lock key from CAL to SET recalls tax rate to display from tax memory.
Depression of +TAX following data key at CAL mode performs the calculating included
tax.
Depression of TAX following data key at CAL mode performs the calculating excluded
tax.
Electrical Features
P-MOS output buffer with pull down resistor for direct driving of fluorescent display tube.
Oscillator/clock generator internal to chip.
Key board encoding internal to chip.
Dual in line package.
Protection
(1) In the overflow condition, all key except “C”, “C/CE”, “CE”, “Feed”, “→” key are inoperative.
(2) Key bouncing protection (at 4 MHz clock)
Key read in: 15 ms
Key off: 40 ms
Function Select
(1) “10/12” selectable with auto power off mode
ON 10-digit calculated
OFF 12-digit calculated
Speed of Calculation (at 4 MHz clock)
(1) Addition
1 + 1 + 31.2 ms
(2) Multiplication
× 999999999999 = 26.8 ms
(3) Division
999999999999 ÷ 1 = 100.6 ms
(4) Memory calculation
999999999999 ÷ 1 M + 108.8 ms
(5) Percentage calculation
1 × 999999999999% 35.2 ms
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相關(guān)代理商/技術(shù)參數(shù) |
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| TC83220-0029 | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:TC83220-0029 CMOS Single-Chip LSI for FL (fluorescent) Calculator |
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