5

IDT70V658S

Preliminary

High-Speed 3.3V 64K x 36 Asynchronous Dual-Port Static RAM

Industrial and Commercial Temperature Ranges

Pin Names

NOTES:

at 2.5V. The OPT pins are independent of one another—both ports can operate

at 3.3V levels, both can operate at 2.5V levels, or either can operate at 3.3V

with the other at 2.5V.

Left Port

Right Port

Names

Chip Enables

R/

R/

Read/Write Enable

Output Enable

Address

Data Input/Output

Semaphore Enable

Interrupt Flag

Busy Flag

Byte Enables (9-bit bytes)

M/

S

Master or Slave Select

Ground (0V)

TDI

Test Data Input

TDO

Test Data Output

TCK

Test Logic Clock (10MHz)

TMS

Test Mode Select

TRST

Reset (Initialize TAP Controller)

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