CY7C008V(2010) Просмотр технического описания (PDF) - Cypress Semiconductor

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CY7C008V
(Rev.:2010)

3.3 V 64 K/128 K × 8/9 Dual-Port Static RAM

Cypress Semiconductor 

CY7C008V/009V

CY7C018V/019V

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

CER, CE1R

R/WR

OER

A0R–A16R

I/O0R–I/O8R

SEMR

INTR

BUSYR

Description

Chip enable (CE is LOW when CE0VIL and CE1  VIH)

Read/Write enable

Output enable

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

Data bus input/output (I/O0–I/O7 for ×8 devices and I/O0–I/O8 for ×9)

Semaphore enable

Interrupt flag

Busy flag

Master or slave select

Power

Ground

No Connect

Maximum Ratings[6]

Exceeding maximum ratings may shorten the useful life of the

device. User guidelines are not tested.

Storage temperature ................................ –65 C to +150 C

Ambient temperature with

power applied ........................................... –55 C to +125 C

Supply voltage to ground potential ...............–0.5 V to +4.6 V

DC voltage applied to

outputs in high Z State ......................... –0.5 V to VCC + 0.5 V

DC input voltage .................................. –0.5 V to VCC + 0.5 V

Output current into outputs (LOW) .............................. 20 mA

Static discharge voltage.......................................... > 1100 V

Latch-up current .................................................... > 200 mA

Operating Range

Range

Commercial

Industrial[7]

Ambient

Temperature

0 C to +70 C

–40 C to +85 C

VCC

3.3 V ± 300 mV

3.3 V ± 300 mV

Notes

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

7. Industrial parts are available in CY7C009V and CY7C019V only.

Document Number: 38-06044 Rev. *E

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