Product Summary

The CY2149-45PC is a high-performance CMOS static RAM organized as 1024 by 4 bits. Easy memory expansion is provided by an active LOW chip select (CS) input and three-state outputs. The chip select (CS) of the CY2149-45PC does not affect the power dissipation of the device.

Parametrics

CY2149-45PC absolute maxing ratings: (1)Storage Temperature: -65℃ to+150℃; (2)Ambient Temperature with Power Applied: -55℃ to+125℃; (3)Supply Voltage to Ground Potential(Pin 18 to Pin 9): -0.5V to+7.0V; (4)DC Voltage Applied to Outputs in High Z State: -0.5V to+7.0V; (5)DC Input Voltage: -3.0V to +7.0V; (6)Output Current into Outputs (LOW): 20mA; (7)Static Discharge Voltage: >2001V(per MIL-STD-883, Method 3015); (8)Latch-Up Current: >200mA.

Features

CY2149-45PC features: (1)CMOS for optimum speed/power; (2)25-ns access time; (3)Low active power: 440mW (commercial); 605mW (military); (4)5-volt power supply ±10% tolerance, both commercial and military; (5)TTL-compatible inputs and outputs.

Diagrams