CY7C026A(2000) Просмотр технического описания (PDF) - Cypress Semiconductor

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CY7C026A
(Rev.:2000)

16K x 16/18 Dual-Port Static RAM

Cypress Semiconductor 

CY7C026A

CY7C036A

Pin Definitions

Left Port

CEL

R/WL

OEL

A0L–A13L

I/O0L–I/O17L

SEML

UBL

LBL

INTL

BUSYL

M/S

VCC

GND

NC

Right Port

CER

R/WR

OER

A0R–A13R

I/O0R–I/O17R

SEMR

UBR

LBR

INTR

BUSYR

Description

Chip Enable

Read/Write Enable

Output Enable

Address

Data Bus Input/Output

Semaphore Enable

Upper Byte Select (I/O8–I/O15 for x16 devices; I/O9–I/O17 for x18 devices)

Lower Byte Select (I/O0–I/O7 for x16 devices; I/O0–I/O8 for x18 devices)

Interrupt Flag

Busy Flag

Master or Slave Select

Power

Ground

No Connect

Maximum Ratings

(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[5] ........................................–0.5V to + 7.0V

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

Static Discharge Voltage .......................................... >2001V

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

Operating Range

Range

Commercial

Industrial

Ambient

Temperature

0°C to +70°C

–40°C to +85°C

VCC

5V ± 10%

5V ± 10%

Note:

5. Pulse width < 20 ns.

4

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