DESCRIPTION

The LRS1338A is a combination memory organized as 524,288 × 16-bit flash memory and 262,144 × 8-bit static RAM in one package. It is fabricated using silicon gate CMOS process technology.

FEATURES

? Flash memory and SRAM

? Stacked die chip scale package

? 48-pin TSOP (TSOP48-P-1014) plastic package

? Power supply: 2.7 V to 3.6 V

? Operating temperature: -40°C to +85°C

? Access time (MAX.):

– Flash memory: 120 ns

– SRAM: 85 ns

? Operating current (MAX.):

– Flash memory

– Read: 25 mA (tCYCLE = 200 ns)

– Word write: 57 mA (F-VCC ≥ 3.0 V)

– Block erase: 42 mA (F-VCC ≥ 3.0 V)

– SRAM: 25 mA (tCYCLE = 200 ns)

? Standby current2

– Flash memory: 20 μA MAX. (F-CE ≥ F-VCC - 0.2 V, F-RP ≤ 0.2 V, F-VPP ≤ 0.2 V)

– SRAM:

– 40 μA MAX. (S-CE ≥ S-VCC - 0.2 V)

– 0.6 μA TYP. (TA = 25°C, S-VCC = 3 V, S-CE ≥ S-VCC - 0.2 V)

? Fully static operation

? Three-state output