Overview
The IS62C256AL-45ULI is a low-power, 32K x 8 CMOS static RAM (SRAM) produced by Integrated Silicon Solution Inc. (ISSI). This device is designed to offer high performance and low power consumption, making it suitable for a variety of applications. It is fabricated using ISSI's advanced CMOS technology and is available in both plastic SOP and TSOP (Type I) packages. The IS62C256AL-45ULI is fully static, requiring no clock or refresh, and operates on a single 5V power supply.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Access Time | 45 ns | |
| Operating Power | 15 mW (typical) | |
| Standby Power | 150 µW (typical) | |
| Temperature Range | –40°C to +85°C | |
| Supply Voltage | 5V ± 10% | |
| Input Capacitance | 8 pF | |
| Output Capacitance | 10 pF | |
| Input HIGH Voltage | 2.2 V to Vdd + 0.5 V | |
| Input LOW Voltage | –0.3 V to 0.8 V | |
| Output HIGH Voltage | 2.4 V (min.) | |
| Output LOW Voltage | 0.4 V (max.) |
Key Features
- Low active power: 15 mW (typical)
- Low standby power: 150 µW (typical)
- Fully static operation: no clock or refresh required
- TTL compatible inputs and outputs
- Single 5V power supply
- Lead-free available
- Industrial temperature range: –40°C to +85°C
- Active LOW Chip Select (CE) and Output Enable (OE) inputs
- Active LOW Write Enable (WE) controls both writing and reading of the memory
Applications
The IS62C256AL-45ULI is versatile and can be used in various applications, including:
- Networking switches and routers
- Base stations
- Modems
- Automotive electronics
- Multimedia products
- Peripherals
- Industrial instrumentation
- GPS and telematics systems
- Infotainment systems
Q & A
- What is the access time of the IS62C256AL-45ULI?
The access time is 45 ns. - What is the typical operating power of the IS62C256AL-45ULI?
The typical operating power is 15 mW. - What is the standby power consumption of the IS62C256AL-45ULI?
The standby power consumption is 150 µW (typical). - What is the temperature range for the industrial version of the IS62C256AL-45ULI?
The temperature range is –40°C to +85°C. - What type of power supply does the IS62C256AL-45ULI require?
The device operates on a single 5V power supply. - Is the IS62C256AL-45ULI lead-free?
Yes, the IS62C256AL-45ULI is available in lead-free packages. - Does the IS62C256AL-45ULI require a clock or refresh?
No, the IS62C256AL-45ULI is fully static and does not require a clock or refresh. - What are the input and output compatibility of the IS62C256AL-45ULI?
The inputs and outputs are TTL compatible. - How is the memory accessed and written in the IS62C256AL-45ULI?
The memory is accessed using an active LOW Chip Select (CE) and Output Enable (OE) inputs, and written using an active LOW Write Enable (WE) input. - What are some common applications of the IS62C256AL-45ULI?
Common applications include networking switches, base stations, modems, automotive electronics, and industrial instrumentation.
