EMC646SP16K datasheet(2/52 Pages) EMLSI

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EMC646SP16K

4Mx16 CellularRAM AD-MUX

Preliminary

x16 Burst, Multiplexed Address/Data

FEATURES

- 16-bit multiplexed address/data bus

- Sigle device supports asynchrous and burst operation

- Vcc, VccQ voltages:

1.7V.1.95V VCC

1.7V.1.95V VCCQ

- Random access time: 70ns

- Burst mode READ and WRITE access:

4, 8, 16, or 32 words, or continuous burst

Burst wrap or sequential

Max clock rate: 104 MHz (tCLK = 9.62ns) , 133MHz(tCLK = 7.5ns)

Burst initial latency: 38.5ns (4 clocks) @ 104 MHz ,

37.5ns(5 clocks) @ 133 MHz

tACLK: 7ns @ 104 MHz , 5.5ns @ 133 MHz

- Low power consumption:

Asynchronous READ: <25mA

Initial access, burst READ:

(38.5ns [4 clocks] @ 104 MHz) <35mA

Continuous burst READ: <30mA

Initial access, burst READ:

(37.5ns [5 clocks] @ 133 MHz) <40mA

Continuous burst READ: <35mA

- Low-power features

On-chip temperature compensated self refresh (TCSR)

Partial array refresh (PAR)

- Operating temperature range:

Wireless -30°C to +85°C

OPTIONS

- Configuration: 64Mb (4 megabit x 16)

- Vcc core / VccQ I/O voltage supply: 1.8V

- Timing: 70ns access

- Frequency: 83 MHz, 104 MHz, 133 MHz

- Standby current at 85°C

Low Low Power : 140

µA(max)

Low Power

: 160

µA(max)

Standard

: 180

µA(max)

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