NTE6507 Integrated Circuit NMOS, 8 Bit Microprocessor (MPU) w/On–Chip Clock OSC Description: The NTE6507 integrated circuit is an 8 bit microprocessor in a 28–Lead DIP type package which provides a selection of addressable memory range, interrupt input options, and on–chip clock oscillators and drivers. This device is bus compatible with the MC6800 product offering and is aimed at high performance, low cost applications where single phase inputs or crystals provide the time base. Features: D Single 5V ±5% Power Supply D N Channel, Silicon Gate, Depletion Load Technology D 8 Bit Parallel Processing D Decimal and Binary Arithmetic D Thirteen Addressing Modes D True Indexing Capability D Programmable Stack Pointer D Variable Length Stack D D D D D D D D Bi–Directional Data Bus Instruction Decoding and Control 8k Addressable Bytes of Memory “Ready” Input Direct Memory Access Capability Bus Compatible with MC6800 On–Board Clock 1MHz Operating Frequency Absolute Maximum Ratings: (Note 1) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to +7.0V Input Voltage, Vin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to +7.0V Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C Note 1. This device contains input protection against damage due to high static voltages or electric fields; however, precautions should be taken to avoid application of voltages higher than the maximum rating. DC Characteristics: (VCC = 5V ±5%, TA = 0° to +70°C unless otherwise specified) Parameter Input High Voltage Logic and ∅o(in) Symbol Test Conditions Min Max Unit +2.0 VCC V VCC–0.5 VCC+0.25 V –0.3 +0.8 V –10 –300 µA – 2.5 µA – 10.0 µA – ±10 µA 2.4 – V – 0.4 V – 700 mW – 10 pF – 15 pF VIH Logic Input Low Voltage Logic and ∅o(in) VIL Input Loading RDY IIL Input Leakage Current Logic (Excluding RDY) Iin Vin = 0V, VCC = 5.25V Vin = 0 to 5.25V, VCC = 0 ∅o(in) Three–State (Off State) Input Current DB0–DB7 ITSI Output High Voltage DB0–DB7, A0–A15, R/W VOH Output Low Voltage DB0–DB7, A0–A15, R/W VOL Power Dissipation PD Capaticance RES, RDY, Cin Vin = 0.4 to 2.4V, VCC = 5.25V ILOAD = –100µA, VCC = 4.75V ILOAD = 1.6mA, VCC = 4.75V VCC = 5.25V Vin = 0, TA = +25°C, f = 1MHz DB0–DB7 A0–A15, R/W Cout – 12 pF ∅o(in) CO – 15 pF o(in) Dynamic Operating Characteristics: (VCC = 5V ±5%, TA = 0° to +70°C unless otherwise specified) Parameter Symbol Test Conditions Min Max Unit 1.00 40 µs Cycle Time TCYC ∅o(in) Low Time TL∅o Note 2 480 – ns ∅o(in) High Time TH∅o Note 2 460 – ns ∅o Neg to ∅1 Pos Delay T01+ Load = 100pF 10 70 ns ∅o Neg to ∅2 Neg Delay T02– Load = 100pF 5 65 ns ∅o Pos to ∅1 Neg Delay T01– Load = 100pF 5 65 ns ∅o Pos to ∅2 Pos Delay T02+ Load = 100pF 15 75 ns 0 30 ns ∅α(in) Rise and Fall Time TRO, TFO Note 3 ∅1(OUT) Pulse Width T PWHO 1 T LOo–20 T LOo ns ∅2(OUT) Pulse Width T PWHO 2 T LOo–40 T LOo–10 ns 5 – ns – 25 ns Delay Between ∅1 and ∅2 ∅1 and ∅2 Rise and Fall Times TD TR, TF Load = 1TTL load +30pF, Note 3 Note 2. Measured at 50% points. Note 3. Measured between 10% and 90% points. Dynamic Operating Characteristics (Cont’d): (VCC = 5V ±5%, TA = 0 to +70°C unless otherwise specified) Parameter Symbol Test Conditions Min Max Unit R/W Setup Time TRWS – 225 ns R/W Hold Time TRWH 30 – ns Address Setup Time TADS – 225 ns Address Hold Time TADH 30 – ns Read Access Time TACC – 650 ns Read Data Setup Time TDSU 100 – ns Read Data Hold Time THR 10 – ns Write Data Setup Time TMDS 20 175 ns Write Data Hold Time THW 60 150 ns Sync Setup Time TSYS – 350 ns Sync Hold Time TSYH 30 – ns RDY Setup Time TRS 200 – ns Note 4 Note 4. RDY must never switch states within TRS to end of ∅2. Pin Connection Diagram RES 1 28 Ø 2 (Out) VSS 2 27 Ø 0 (In) RDY 3 26 R/W VCC 4 25 DB 0 AB 0 5 24 DB 1 AB 1 6 23 DB 2 AB 2 7 22 DB 3 AB 3 8 21 DB 4 AB 4 9 20 DB 5 AB 5 10 19 DB 6 AB 6 11 18 DB 7 AB 7 12 17 AB 12 AB 8 13 16 AB 11 AB 9 14 15 AB 10 14 1 15 28 1.469 (37.32) Max .540 (13.7) .250 (6.35) .100 (2.54) 1.300 (33.02) .122 (3.1) Min .600 (15.24)