K8A65D: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Description	Value
Device Type	64K x 8-Bit CMOS SRAM
Package	32-Pin Plastic Quad Flat Pack (PQFP)
Operating Voltage (Vcc)	2.7V to 3.6V (Vcc1), 1.65V to 1.95V (Vcc2)
Standby Current (Icc)	1 μA (Typical at Vcc = 3.0V, Ta = 25°C)
Active Current (Icc)	10 mA (Typical at Vcc = 3.0V, fCLK = 100 MHz)
Access Time (tAA)	10 ns (Maximum at Vcc = 3.0V, Ta = 25°C)
Cycle Time (tCYC)	10 ns (Minimum at Vcc = 3.0V, Ta = 25°C)
Data Retention Time	20 years (Minimum at Vcc = 3.0V, Ta = 25°C)
Temperature Range	-40°C to +85°C (Industrial Grade)
Write Cycle	Asynchronous
Data Output Enable	OE (Output Enable) Pin
Chip Select	CS (Chip Select) Pin
Write Protect	WP (Write Protect) Pin
Power Down Mode	Controlled by CE (Chip Enable) Pin

Power Supply Connection:
- Connect Vcc1 to the power supply voltage (2.7V to 3.6V).
- Connect Vcc2 to the I/O power supply voltage (1.65V to 1.95V).
- Ground all GND pins.
Signal Connections:
- Connect the address lines (A0-A15) to the system address bus.
- Connect the data lines (DQ0-DQ7) to the system data bus.
- Connect the control signals:
  - CS (Chip Select): Active low. When low, the device is selected.
  - OE (Output Enable): Active low. When low, data outputs are enabled.
  - WE (Write Enable): Active low. When low, a write operation is performed.
  - WP (Write Protect): Active high. When high, write operations are inhibited.
Operation Modes:
- Read Operation:
  - Set CS and OE low.
  - Set WE high.
  - The data at the addressed location will be available on the DQ lines after the access time (tAA).
- Write Operation:
  - Set CS and WE low.
  - Set OE high.
  - Data on the DQ lines will be written to the addressed location after the write cycle completes.
- Power Down Mode:
  - Set CS high to enter power-down mode, reducing power consumption.
Timing Considerations:
- Ensure that all setup and hold times are met for reliable operation.
- Refer to the timing diagram in the datasheet for detailed timing parameters.
Handling and Storage:
- Handle with care to avoid static discharge.
- Store in a dry environment to prevent moisture damage.

For more detailed information, refer to the datasheet provided by the manufacturer.

(For reference only)