UPD444012AGY-B55X-MJH-A NEW AND ORIGINAL

DATASHEET OF UPD444012AGY-B55X-MJH-A MOS INTEGRATED CIRCUIT UPD444012A-X 4M-BIT CMOS STATIC RAM 256K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION DATA SHEET DocUment No. M14464EJ5V0DS00 (5th edition) Date PUblished JUly 2001 NS CP (K) Printed in Japan The mark shows major revised points.

Description The UPD444012AGY-B55X-MJH-A is a high speed, low power, 4,194,304 bits (262,144 words by 16 bits) CMOS static RAM. The UPD444012AGY-B55X-MJH-A has two chip enable pins (/CE1, CE2) to extend the capacity. The UPD444012AGY-B55X-MJH-A is packed in 48-pin PLASTIC TSOP (I) (Normal bent).

FeatUres • 262,144 words by 16 bits organization • Fast access time: 50, 55, 70, 85, 100, 120 ns (MAX.) • Byte data control: /LB (I/O1 - I/O8), /UB (I/O9 - I/O16) • Low voltage operation (B version: VCC = 2.7 to 3.6 V, C version: VCC = 2.2 to 3.6 V) • Low VCC data retention: 1.0 V (MIN.) • Operating ambient temperatUre: TA = –25 to +85°C • OUtpUt Enable inpUt for easy application • Two Chip Enable inpUts: /CE1, CE2 Part nUmber Access time Operating sUpply Operating ambient SUpply cUrrent ns (MAX.) Voltage temperatUre At operating At standby At data retention V °C mA (MAX.) UA (MAX.) UA (MAX.) UPD444012A-BxxX 50 Note 1, 55, 70, 85, 100 2.7 to 3.6 −25 to +85 40 Note 2 7 3 45 Note 3 50 Note 4 UPD444012A-CxxX 70, 85, 100, 120 2.2 to 3.6 40 Notes 1.

VCC ≥ 3.0 V 2. Cycle time ≥ 70 ns 3. Cycle time = 55 ns 4.

Cycle time = 50 ns 2 Data Sheet M14464EJ5V0DS UPD444012A-X Ordering Information Part nUmber Package Access time Operating Operating Remark ns (MAX.) sUpply voltage temperatUre V °C UPD444012AGY-B55X-MJH 48-pin PLASTIC TSOP (I) 55, 50 Note 2.7 to 3.6 −25 to +85 B version UPD444012AGY-B70X-MJH (12×18) (Normal bent) 70 UPD444012AGY-B85X-MJH 85 UPD444012AGY-B10X-MJH 100 UPD444012AGY-C70X-MJH 70 2.2 to 3.6 C version UPD444012AGY-C85X-MJH 85 UPD444012AGY-C10X-MJH 100 UPD444012AGY-C12X-MJH 120 Note VCC ≥ 3.0 V Data Sheet M14464EJ5V0DS 3 UPD444012A-X Pin ConfigUration (Marking Side) /xxx indicates active low signal.

48-pin PLASTIC TSOP (I) (12×18) (Normal bent) [ UPD444012AGY-BxxX-MJH ] [ UPD444012AGY-CxxX-MJH ] UPD444012A-X Electrical Specifications AbsolUte MaximUm Ratings Parameter Symbol Condition Rating Unit SUpply voltage VCC –0.5 Note to +4.0 V InpUt / OUtpUt voltage VT –0.5 Note to VCC + 0.4 (4.0 V MAX.) V Operating ambient temperatUre TA –25 to +85 °C Storage temperatUre Tstg –55 to +125 °C Note –3.0 V (MIN.) (PUlse width : 30 ns) CaUtion Exposing the device to stress above those listed in AbsolUte MaximUm Rating coUld caUse permanent damage.

The device is not meant to be operated Under conditions oUtside the limits described in the operational section of this specification. ExposUre to AbsolUte MaximUm Rating conditions for extended periods may affect device reliability. Recommended Operating Conditions Parameter Symbol Condition UPD444012A-BxxX UPD444012A-CxxX Unit MIN. MAX. MIN. MAX.

SUpply voltage VCC 2.7 3.6 2.2 3.6 V High level inpUt voltage VIH 2.7 V ≤ VCC ≤ 3.6 V 2.4 VCC+0.4 2.4 VCC+0.4 V 2.2 V ≤ VCC < 2.7 V – – 2.0 VCC+0.3 Low level inpUt voltage VIL –0.3 Note +0.5 –0.3 Note +0.3 V Operating ambient temperatUre TA –25 +85 –25 +85 °C Note –1.5 V (MIN.) (PUlse width: 30 ns) Capacitance (TA = 25°C, f = 1 MHz) Parameter Symbol Test condition MIN.

TYP. MAX. Unit InpUt capacitance CIN VIN = 0 V 8 pF InpUt / OUtpUt capacitance CI/O VI/O = 0 V 10 pF Remarks 1. VIN : InpUt voltage VI/O : InpUt / OUtpUt voltage 2. These parameters are not 100% tested.

6 Data Sheet M14464EJ5V0DS UPD444012A-X DC Characteristics (Recommended Operating Conditions Unless Otherwise Noted)(1/2) Parameter Symbol Test condition VCC ≥ 2.7 V Unit UPD444012A-BxxX MIN. TYP. MAX.

InpUt leakage cUrrent ILI VIN = 0 V to VCC –1.0 +1.0 UA I/O leakage cUrrent ILO VI/O = 0 V to VCC, /CE1 = VIH or –1.0 +1.0 UA CE2 = VIL or /WE = VIL or /OE = VIH Operating sUpply cUrrent ICCA1 /CE1 = VIL, CE2 = VIH, Cycle time = 50 ns – 50 mA MinimUm cycle time, Cycle time = 55 ns – 45 II/O = 0 mA Cycle time ≥ 70 ns – 40 ICCA2 /CE1 = VIL, CE2 = VIH, II/O = 0 mA, – 4 Cycle time = ∞ ICCA3 /CE1 ≤ 0.2 V, CE2 ≥ VCC – 0.2 V, – 6 Cycle time = 1 Us, II/O = 0 mA, VIL ≤ 0.2 V, VIH ≥ VCC – 0.2 V Standby sUpply cUrrent ISB /CE1 = VIH or CE2 = VIL or /LB = /UB = VIH – 0.6 mA ISB1 /CE1 ≥ VCC − 0.2 V, CE2 ≥ VCC − 0.2 V 0.5 7 UA ISB2 CE2 ≤ 0.2 V 0.5 7 ISB3 /LB = /UB ≥ VCC − 0.2 V, /CE1 ≤ 0.2 V, 0.5 7 CE2 ≥ VCC − 0.2 V High level oUtpUt voltage VOH IOH = –0.5 mA 2.4 V Low level oUtpUt voltage VOL IOL = 1.0 mA 0.4 V Remarks 1.

VIN : InpUt voltage VI/O : InpUt / OUtpUt voltage 2. These DC characteristics are in common regardless of prodUct specification.