CY7C008(2004) Просмотр технического описания (PDF) - Cypress Semiconductor

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CY7C008
(Rev.:2004)

64K/128K x 8/9 Dual-Port Static RAM

Cypress Semiconductor 

CY7C008/009

CY7C018/019

Pin Definitions

Left Port

CE0L, CE1L

R/WL

OEL

A0L–A16L

I/O0L–I/O8L

SEML

INTL

BUSYL

M/S

VCC

GND

NC

Right Port

CE0R, CE1R

R/WR

OER

A0R–A16R

I/O0R–I/O8R

SEMR

INTR

BUSYR

Description

Chip Enable (CE is LOW when CE0 £ VIL and CE1 Š VIH)

Read/Write Enable

Output Enable

Address (A0–A15 for 64K devices and A0–A16 for 128K devices)

Data Bus Input/Output (I/O0–I/O7 for x8 devices and I/O0–I/O8 for x9)

Semaphore Enable

Interrupt Flag

Busy Flag

Master or Slave Select

Power

Ground

No Connect

Maximum Ratings[7]

(Above which the useful life may be impaired. For user guide-

lines, not tested.)

Storage Temperature .................................–65°C to +150°C

Ambient Temperature with

Power Applied.............................................–55°C to +125°C

Supply Voltage to Ground Potential ............... –0.3V to +7.0V

DC Voltage Applied to Outputs

in High Z State ............................................... –0.5V to +7.0V

DC Input Voltage[8]......................................... –0.5V to +7.0V

Output Current into Outputs (LOW)............................. 20 mA

Static Discharge Voltage........................................... >1100V

Latch-Up Current.................................................... >200 mA

Operating Range

Range

Ambient

Temperature

Commercial

Industrial[9]

0°C to +70°C

–40°C to +85°C

VCC

5V ± 10%

5V ± 10%

Notes:

7. The Voltage on any input or I/O pin cannot exceed the power pin during power-up.

8. Pulse width < 20 ns.

9. Industrial parts are available in CY7C009 and CY7C019 only.

Document #: 38-06041 Rev. *C

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