Description
The ~PD445L is a very low power 4,,096 bit (1024 words by 4 bits) static RAM fabricated with NEC's complementary MOS (CMOS) process, It has two chip enable inputs (CE1,
I I ' CE2).Minimum standby current is drawn when CE1 is at a high level, while inhibiting
all address and control line transitions or, unconditionally when CE2 is at a low level.This device ideally meets the low power requirements of battery operated systems and battery back-up systems for non-volatility of data.The ~PD445L
Features
- Single +5V Power Supply.
- Ideal for Battery Operation.
- Low Standby Power fllr Dat,a Retention.
- Simple Memory Expansion - Chip Enable Inputs.
- Access Time - 650 ns Max. {J,tPD445L)
4.50 ns Max. (~PD445L-1).
- Directly TTL Compatible - All Inputs and Outputs.
- Common Data Input and Output.
- Static CMOS - No Clock or Refreshing Required.
- 20 Pin Dual-In-Line Plastic Package
PIN.