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| LH534A00 FEATURES * 524,288 words x 8 bit organization * Access time: 120 ns (MAX.) * Static operation * TTL compatible I/O * Three-state outputs * Single +5 V power supply * Power consumption: Operating: 357.5 mW (MAX.) Standby: 550 W (MAX.) * Package: 32-pin, 8 x 20 mm2 TSOP (Type I) DESCRIPTION The LH534A00 is a 4M-bit mask-programmable ROM organized as 524,288 x 8 bits. It is fabricated using silicon-gate CMOS process technology. A11 A9 A8 A13 A14 A17 NC VCC A18 A16 A15 A12 A7 A6 A5 A4 CMOS 4M (512K x 8) MROM PIN CONNECTIONS 32-PIN TSOP (Type I) TOP VIEW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 OE A10 CE D7 D6 D5 D4 D3 GND D2 D1 D0 A0 A1 A2 A3 534A00-1 Figure 1. Pin Connections for TSOP Package 1 LH534A00 CMOS 4M MROM A18 9 A17 6 A16 A15 A14 A13 10 11 5 4 A11 1 A10 31 A9 A8 A7 A6 2 3 13 14 A5 15 A4 16 A3 17 A2 18 A1 19 A0 20 ADDRESS BUFFER A12 12 ADDRESS DECODER MEMORY MATRIX (524,288 x 8) COLUMN SELECTOR SENSE AMPLIFIER CE 30 CE BUFFER TIMING GENERATOR OUTPUT BUFFER OE 32 OE BUFFER 8 24 VCC GND 21 D0 22 D1 23 D2 25 D3 26 D4 27 D5 28 D6 29 D7 534A00-2 Figure 2. LH534A00 Block Diagram PIN DESCRIPTION SIGNAL PIN NAME SIGNAL PIN NAME A0 - A18 D0 - D7 CE Address input Data output Chip enable input OE VCC GND Output enable input Power supply (+5 V) Ground 2 CMOS 4M MROM LH534A00 TRUTH TABLE CE OE DATA OUTPUT SUPPLY CURRENT H L X H L High-Z High-Z Output Standby Operating Operating NOTE: X = H or L, High-Z = High-impedance ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATING UNIT Supply voltage Input voltage Output voltage Operating temperature Storage temperature VCC VIN VOUT Topr Tstg - 0.3 to +7.0 - 0.3 to V CC + 0.3 - 0.3 to V CC + 0.3 -20 to +70 -65 to +150 V V V C C RECOMMENDED OPERATING CONDITIONS (TA = -20C to +70C) PARAMETER SYMBOL MIN. TYP. MAX. UNIT Supply voltage VCC 4.5 5.0 5.5 V DC CHARACTERISTICS (VCC = 5 V 10%, TA = -20C to +70C) PARAMETER SYMBOL CONDITIONS MIN. MAX. UNIT NOTE Input `High' voltage Input `Low' voltage Output `High' voltage Output `Low' voltage Input leakage current Output leakage current VIH VIL VOH VOL | ILl | | ILO | ICC1 ICC2 ICC3 ICC4 I OH = -400 A I OL = 2.0 mA V IN = 0 V to VCC V OUT = 0 V to VCC t RC = 120 ns t RC = 1 s t RC = 120 ns t RC = 1 s CE = V IH CE = V CC - 0.2 V f = 1 MHz T A = 25C 2.2 - 0.3 2.4 VCC + 0.3 0.8 V V V 0.4 10 10 65 50 60 45 3 100 10 10 V A A mA mA mA mA mA A pF pF 1 2 2 3 3 Operating current Standby current Input capacitance Output capacitance ISB1 ISB2 CIN COUT NOTES: 1. CE/OE = VIH 2. VIN = VIH or VIL, CE = VIL, outputs open 3. VIN = (VCC - 0.2 V) or 0.2 V, CE = 0.2 V, outputs open 3 LH534A00 CMOS 4M MROM AC CHARACTERISTICS (VCC = 5 V 10%, TA = -20C to +70C) PARAMETER SYMBOL MIN. MAX. UNIT NOTE Read cycle time Address access time Chip enable access time Output enable delay time Output hold time CE to output in High-Z OE to output in High-Z tRC tAA tACE tOE tOH tCHZ tOHZ 120 120 120 60 0 60 ns ns ns ns ns ns 1 NOTE: 1. This is the time required for the outputs to become high-impedance. AC TEST CONDITIONS PARAMETER RATING Input voltage amplitude Input rise/fall time Input/output reference level Output load condition 0.4 to 2.6 V 10 ns 1.5 V 1 TTL + 100 pF CAUTION To stabilize the power supply, it is recommended that a high-frequency bypass capacitor be connected between the VCC pin and the GND pin. tRC A0 - A18 tAA (NOTE) CE tACE (NOTE) OE tOE (NOTE) tOHZ tOH tCHZ D0 - D7 DATA VALID NOTE: The output data becomes valid when the last intervals, tAA, tACE, or tOE, have concluded. 534A00-3 Figure 3. Timing Diagram 4 CMOS 4M MROM LH534A00 PAGKAGE DIAGRAM 32TSOP (Type I) (TSOP032-P-0820) 0.30 [0.012] 0.10 [0.004] 32 0.50 [0.020] TYP. 17 18.60 [0.732] 18.20 [0.717] 20.30 [0.799] 19.70 [0.776] 19.00 [0.748] 1 8.20 [0.323] 7.80 [0.307] 16 0.20 [0.008] 0.10 [0.004] 1.10 [0.043] 0.90 [0.035] 1.20 [0.047] MAX. 0.425 [0.017] 0.20 [0.008] 0.00 [0.000] 0.15 [0.006] DIMENSIONS IN MM [INCHES] MAXIMUM LIMIT MINIMUM LIMIT 32TSOP 32-pin, 8 x 20 mm2 TSOP (Type I) ORDERING INFORMATION LH534A00 Device Type T Package 32-pin, 8 x 20 mm2 TSOP (Type I) (TSOP032-P-0820) CMOS 4M (512K x 8) Mask-Programmable ROM Example: LH534A00T (CMOS 4M (512K x 8) Mask-Programmable ROM, 32-pin, 8 x 20 mm2 TSOP (Type I)) 534A00-4 5 |
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