Semiconductor MSM533202E 2,097,152-Word x 16-Bit or 4,194,304-Word x 8-Bit MASKROM DESCRIPTION The OKI MSM533202E is a high-speed CMOS Mask ROM that can electrically switch between 2,097,152-word x 16-bit or 4,194,304-word x 8-bit configurations. The MSM533202E operates on a single 5.0V power supply and is TTL compatible. The chip's asynchronous I/O requires no external clock assuring easy operation.A power-down mode provides low power dissipation when the chip is not selected. The CE and OE pins are provided as control signals that permit three-stated output allowing easy memory expansion on a system bus.The MSM533202E is suited for use as large capacity fixed memory for microcomputers and data terminals. FEATURES Single 5.0V power supply 2,097,152-words x 16-bit/4,194,304-words x 8-bit Access time 120ns MAX Input/Output TTL compatible Tri-State output configurations Internal powerdown function Packages: 44-PIN PLASTIC SOP (SOP44-P-600-K) 48-PIN PLASTIC TSOP (TSOP48-P-550-K) 1 MSM533202E PIN CONFIGURATION NC 1 48 NC NC 2 47 NC NC 1 44 A20 NC 3 46 A20 A18 2 43 A19 A18 4 45 A19 A17 3 42 A8 A17 5 44 A8 A7 4 41 A9 A7 6 43 A9 A6 5 40 A10 A6 7 42 A10 A5 6 39 A11 A5 8 41 A11 A4 7 38 A12 A4 9 40 A12 A3 8 37 A13 A3 10 39 A13 A2 9 36 A14 A2 11 38 A14 A1 10 35 A15 A1 12 37 A15 A0 11 34 A16 A0 13 36 A16 CE 12 VSS 13 33 BYTE 32 VSS CE 14 35 BYTE OE 14 D0 15 31 D15/A-1 OE 16 30 D7 D0 17 33 D15/A-1 32 D7 D8 16 29 D14 D8 18 31 D14 D1 17 28 D6 D1 19 30 D6 D9 18 27 D13 D9 20 29 D13 VSS 15 34 VSS D2 19 26 D5 D2 21 28 D5 D10 20 25 D12 D10 22 27 D12 D3 21 24 D4 D3 23 26 D4 D11 22 23 VCC D11 24 25 VCC 44 PIN SOP 48 PIN TSOP Pin Name D15/A-1 Function Data output / address input A0 to A20 Address input D0 to D15 Data output CE Chip enable OE Output enable BYTE VCC, VSS Mode switch Power supply 2 MSM533202E BLOCK DIAGRAM VCC VSS A-1 BYTE Output Switching Between 8 and 16 bits CE CE A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 OE OE Control Memory Cell Matrix 2,097,152-Word x 16 or 4,194,304 x 8 X Decoder Address Buffer Multiplexer Y Decoder Output Buffer D0 D2 D1 D4 D3 D6 D5 D8 D7 D10 D12 D14 D9 D11 D13 D15 FUNCTION TABLE 3 CE OE BYTE A-1/D15 D0 to D7 D8 to D15 H X X X Hi-Z Hi-Z L H X X Hi-Z Hi-Z L L H Input Inhibited (D15) D0 to D7 D8 to D15 L L L L D0 to D7 Hi-Z L L L H D8 to D15 Hi-Z DOUT Mode LSB MSB Hi-Z — — 16 bit A0 A20 8 bit A-1 A20 MSM533202E ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings Parameter Power Supply Voltage Symbol Conditions Limits Unit V to VSS –0.3 to 7 –0.3 to VCC + 0.5 VCC Input Voltage VI Output Voltage VO Power Dissipation Operating Temperature PD Topr Storage Temperature Tstg V –0.3 to VCC + 0.5 V 1.0 W 0 to 70 °C Per Package Topr = 25°C — — –55 to 150 °C Recommended Operating Conditions Parameter Limits Symbol Conditions VCC — VSS — "H" Input Voltage VIH — "L" Input Voltage VIL Topr — 2.2 –0.3 — 0 Power Supply Voltage Operating Temperature Min. Unit Typ. Max. 4.5 5.0 5.5 V 0.0 0.0 V 5.0 0.0 VCC + 0.5 0.0 — 0.8 70 V V °C DC Characteristics (VCC = 5V±10%, Ta = 0 to 70°C) Limits Typ. — Max. — — 0.4 — 10 V µA –10 — 10 µA CE = VIL,OE = VIH,tC = 120ns — — 60 mA CE = VCC–0.2V — — 50 CE = VIH MIN — — 500 µA µA Symbol Conditions "H" Output Voltage VOH IOH = –400µA "L" Output Voltage VOL IOH = 2.1mA Min. 2.4 — Input Leakage Current ILI VI = 0 to VCC –10 Output Leakage Current ILO VO = 0 to VCC CE = VIH MIN Power Supply Current (Operating) ICC Power Supply Current (Standby) ICCS1 ICCS Parameter Unit V 4 MSM533202E AC CHARACTERISTICS Timing conditions Parameter Input Signal Level Transtion Time Conditions VIH=2.4V, VIL=0.6V tr=tf=5ns Timing Reference Level Input Voltage=1.5V Output Voltage=0.8V&2.0V Load Condition CL=100pF+1TTL Read Cycle (Ta = 0 to 70°C) Symbol Conditions tC — Address Access time tACC CE Access time tCE — — OE Access time tOE Parameter Limits Unit 120 Typ. — Max. — — — — — 120 ns 120 ns — ns CE Output Disable time 0 — — 60 tCHZ — — 40 ns OE Output Disable time tOHZ — 0 — ns Output Hold time tOH — 0 — 30 — Cycle time 5 Min. ns ns MSM533202E Read Cycle (Note 1) tC Address tACC tOH OE tOHZ tOE (Note 3) DOUT Read Cycle (Note 2) tC CE tCHZ tCE (Note 3) OE tOE DOUT Note) 1. CE is low level. 2. Address is fixed before or at the same time when CE level falls. 3. tCHZ & tOHZ indicate the time until floating. They are not determined by the output level. I/O CAPACITANCE Parameter Input Capacitance Output Capacitance Symbol Conditions CI CO Rated Value Unit Typ. — Max. VI=0V Min. — 8 pF VO=0V — — 10 pF 6 Semiconductor NOTICE The information contained herein can change without notice owing to product and/or technical improvements. Before using the product, please make sure that the information being referred to is up-todate. The outline of action and examples for application circuits described herein have been chosen as an explanation for the standard action and performance of the product. When planning to use the product, please ensure that the external conditions are reflected in the actual circuit, assembly, and program designs. 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The products listed in this document are intended for use in general electronics equipment for commercial applications (e.g., office automation, communication equipment, measurement equipment, consumer electronics, etc.). These products are not authorized for use in any system orapplication that requires special or enhanced quality and reliability characteristics nor in any system or application where the failure of such system or application may result in the loss or damage of property, or death or injury to humans. Such applications include, but are not limited to, traffic and automotive equipment, safety devices, aerospace equipment, nuclear power control, medical equipment, and life-support systems. Certain products in this document may need government approval before they can be exported to particular countries. 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