Infineon SRAM Memory Chip, CY621472E30LL-45ZSXI- 4Mbit

Very high speed: 45 ns
Temperature range
Industrial: –40 °C to +85 °C
Wide voltage range: 2.20 V to 3.60 V
Ultra low standby power
Typical standby current: 1 A
Maximum standby current: 7 A (Industrial)
Ultra low active power
Typical active current: 2 mA at f = 1 MHz
Easy memory expansion with CE1, CE2, and OE Features
Automatic power down when deselected
Complementary metal oxide semiconductor (CMOS) for optimum speed and power
Available in Pb-free 44-pin thin small outline package (TSOP) II package
Byte power down feature