PDF 7C256-35 Data sheet ( Hoja de datos )

Número de pieza	7C256-35
Descripción	High Performance 32Kx8 CMOS SRAM
Fabricantes	ETC
Logotipo
Hay una vista previa y un enlace de descarga de 7C256-35 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas
No Preview Available ! High Performance 32K×8 CMOS SRAM 32K×8 CMOS SRAM (Common I/O) AS7C256 AS7C256L FEATURES • Organization: 32,768 words × 8 bits • High speed – 10/12/15/20/25/35 ns address access time – 3/3/4/5/6/8 ns output enable access time • Low power consumption – Active: 660 mW max (10 ns cycle) – Standby: 11 mW max, CMOS I/O 2.75 mW max, CMOS I/O, L version – Very low DC component in active power • 2.0V data retention (L version) • Equal access and cycle times • Easy memory expansion with CE and OE inputs • TTL-compatible, three-state I/O • 28-pin JEDEC standard packages – 300 mil PDIP and SOJ Socket compatible with 7C512 and 7C1024 – 330 mil SOIC – 8×13.4 TSOP • ESD protection > 2000 volts • Latch-up current > 200 mA LOGIC BLOCK DIAGRAM PIN ARRANGEMENT Vcc GND A0 A1 A2 A3 A4 A5 A6 A14 INPUT BUFFER 256×128×8 ARRAY (262,144) I/O7 I/O0 COLUMN DECODER AAAAAAA 7 8 9 10 11 12 13 CONTROL CIRCUIT WE OE CE SELECTION GUIDE AS7C256-01 DIP, SOJ, SOIC A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 GND TSOP 8×13.4 OE A11 A9 A8 A13 WE Vcc A14 A12 A7 A6 A5 A4 A3 22 23 24 25 26 27 28 1 2 3 4 5 6 7 1 28 Vcc 2 27 WE 3 26 A13 4 25 A8 5 24 A9 6 23 A11 7 22 OE 8 21 A10 9 20 CE 10 19 I/O7 11 18 I/O6 12 17 I/O5 13 16 I/O4 14 15 I/O3 AS7C256 21 A10 20 CE 19 I/O7 18 I/O6 17 I/O5 16 I/O4 15 I/O3 14 GND 13 I/O2 12 I/O1 11 I/O0 10 A0 AS7C256-02 9 A1 8 A2 Maximum Address Access Time Maximum Output Enable Access Time Maximum Operating Current Maximum CMOS Standby Current L 7C256-10 7C256-12 7C256-15 7C256-20 7C256-25 7C256-35 Unit 10 12 15 20 25 35 ns 3 3 4 5 6 8 ns 120 115 110 100 90 80 mA 2.0 2.0 2.0 2.0 2.0 2.0 mA 0.5 0.5 0.5 0.5 0.5 0.5 mA ALLIANCE SEMICONDUCTOR 1 page AS7C256 AS7C256L WRITE CYCLE 11 Parameter Write Cycle Time Chip Enable to Write End Address Setup to Write End Address Setup Time Write Pulse Width Address Hold From End of Write Data Valid to Write End Data Hold Time Write Enable to Output in High Z Output Active from Write End (VCC = 5V±10%, GND = 0V, Ta = 0°C to +70°C) -10 -12 -15 -20 -25 -35 Symbol Min Max Min Max Min Max Min Max Min Max Min Max Unit Notes tWC 10 – 12 – 15 – 20 – 20 – 30 – ns tCW 9 – 10 – 12 – 12 – 15 – 20 – ns tAW 9 – 10 – 12 – 12 – 15 – 20 – ns tAS 0 – 0 – 0 – 0 – 0 – 0 – ns tWP 7 – 8 – 9 – 12 – 15 – 17 – ns tAH 0 – 0 – 0 – 0 – 0 – 0 – ns tDW 6 – 6 – 8 – 10 – 10 – 15 – ns tDH 0 – 0 – 0 – 0 – 0 – 0 – ns 4, 5 tWZ – 5 – 5 – 5 – 5 – 5 – 5 ns 4, 5 tOW 3 – 3 – 3 – 3 – 3 – 3 – ns 4, 5 TIMING WAVEFORM OF WRITE CYCLE 1 10, 11 (WE Controlled) Address WE Din Dout tWC tAW tAH tASAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA tWZ tWP tDW Data Valid tOW tDH TIMING WAVEFORM OF WRITE CYCLE 2 10, 11 AS7C256-05 (CE Controlled) tWC tAW Address tAS tCW CE WE AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA tWZ tWP Din Dout AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA tAH AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA tDW tDH Data Valid AS7C256-06 5 5 Page

Páginas	Total 8 Páginas
PDF Descargar	[ Datasheet 7C256-35.PDF ]

Hoja de datos destacado

Número de pieza	Descripción	Fabricantes
7C256-35	High Performance 32Kx8 CMOS SRAM	ETC

Número de pieza	Descripción	Fabricantes
SLA6805M	High Voltage 3 phase Motor Driver IC.	Sanken
SDC1742	12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters.	Analog Devices

DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares,
permitiéndote verlos en linea o descargarlos en PDF.

DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar