4K x 8 Dual-Port Static RAMs and 4K x 8 Dual-Port Static RAM with Semaphores The CY7B135-35JC is a high-speed CMOS Static RAM (SRAM) manufactured by Cypress Semiconductor. Here are its key specifications:

- **Organization**: 32K x 8 (256Kbit)
- **Access Time**: 35 ns
- **Operating Voltage**: 5V ±10%
- **Power Consumption**:
  - Active: 625 mW (max)
  - Standby: 55 mW (max)
- **Package**: 28-pin PLCC (Plastic Leaded Chip Carrier)
- **Operating Temperature Range**: 0°C to +70°C
- **I/O Type**: TTL-compatible
- **Features**:
  - Fully static operation (no clock or refresh required)
  - Three-state outputs
  - Direct microprocessor interface
  - High reliability CMOS technology

This SRAM is designed for applications requiring high-speed, low-power memory solutions.

4K x 8 Dual-Port Static RAMs and 4K x 8 Dual-Port Static RAM with Semaphores The CY7B135-35JC is a 3.3V 256K x 16/512K x 8 synchronous pipelined SRAM manufactured by Cypress Semiconductor (now Infineon Technologies). Key specifications include:

- Speed: 3.5 ns access time
- Organization: 256K x 16 or 512K x 8
- Voltage: 3.3V ±0.3V operation
- Package: 44-pin PLCC (Plastic Leaded Chip Carrier)
- Temperature range: Commercial (0°C to +70°C)
- Features:
  - Synchronous operation
  - Pipelined output
  - Single clock cycle deselect
  - Byte write control
  - Automatic power-down when deselected
  - JTAG boundary scan (IEEE 1149.1 compliant)