IDT7140LA100PF datasheet, PDF - EEWORLD Datasheet

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IDT7140LA100PF: Description1K X 8 DUAL-PORT SRAM, 100 ns, PQCC52; Categorystorage; File Size224KB，14 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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IDT7140LA100PF Overview

1K X 8 DUAL-PORT SRAM, 100 ns, PQCC52

IDT7140LA100PF Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	52
Maximum operating temperature	125 Cel
Minimum operating temperature	-55 Cel
Maximum supply/operating voltage	5.5 V
Minimum supply/operating voltage	4.5 V
Rated supply voltage	5 V
maximum access time	100 ns
Processing package description	Plastic, LCC-52
state	ACTIVE
Craftsmanship	CMOS
packaging shape	SQUARE
Package Size	ChipCARRIER
surface mount	Yes
Terminal form	J BEND
Terminal spacing	1.27 mm
terminal coating	tin lead
Terminal location	Four
Packaging Materials	Plastic/Epoxy
Temperature level	MILITARY
memory width	8
organize	1K × 8
storage density	8192 deg
operating mode	ASYNCHRONOUS
Number of digits	1024 words
Number of digits	1K
Memory IC type	dual-port static random access memory
serial parallel	parallel

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HIGH-SPEED

1K x 8 DUAL-PORT

STATIC RAM

Integrated Device Technology, Inc.

IDT7130SA/LA

IDT7140SA/LA

FEATURES

• High-speed access

—Military: 25/35/55/100ns (max.)

—Commercial: 25/35/55/100ns (max.)

—Commercial: 20ns 7130 in PLCC and TQFP

• Low-power operation

—IDT7130/IDT7140SA

—Active:

550mW (typ.)

—Standby:

5mW (typ.)

—IDT7130/IDT7140LA

—Active:

550mW (typ.)

—Standby:

1mW (typ.)

• MASTER IDT7130 easily expands data bus width to

16-or-more-bits using SLAVE IDT7140

• On-chip port arbitration logic (IDT7130 Only)

•

BUSY

output flag on IDT7130;

BUSY

input on IDT7140

• Interrupt flags for port-to-port communication

• Fully asynchronous operation from either port

• Battery backup operation–2V data retention (LA only)

• TTL-compatible, single 5V

±10%

power supply

• Military product compliant to MIL-STD-883, Class B

• Standard Military Drawing #5962-86875

• Industrial temperature range (–40°C to +85°C) is avail-

able, tested to military electrical specifications

DESCRIPTION

The IDT7130/IDT7140 are high-speed 1K x 8 Dual-Port

Static RAMs. The IDT7130 is designed to be used as a

stand-alone 8-bit Dual-Port RAM or as a "MASTER" Dual-

Port RAM together with the IDT7140 "SLAVE" Dual-Port in

16-bit-or-more word width systems. Using the IDT MAS-

TER/SLAVE Dual-Port RAM approach in 16-or-more-bit

memory system applications results in full-speed, error-free

operation without the need for additional discrete logic.

Both devices provide two independent ports with sepa-

rate control, address, and I/O pins that permit independent

asynchronous access for reads or writes to any location in

memory. An automatic power down feature, controlled by

, permits the on chip circuitry of each port to enter a very

low standby power mode.

Fabricated using IDT's CMOS high-performance tech-

nology, these devices typically operate on only 550mW of

power. Low-power (LA) versions offer battery backup data

retention capability, with each Dual-Port typically consum-

ing 200µW from a 2V battery.

The IDT7130/IDT7140 devices are packaged in 48-pin

sidebraze or plastic DIPs, LCCs, or flatpacks, 52-pin PLCC,

and 64-pin TQFP and STQFP. Military grade product is

manufactured in compliance with the latest revision of MIL-

STD-883, Class B, making it ideally suited to military tem-

perature applications demanding the highest level of per-

formance and reliability.

FUNCTIONAL BLOCK DIAGRAM

I/O

- I/O

I/O

Control

I/O

Control

I/O

-I/O

BUSY

(1,2)

BUSY

Address

Decoder

(1,2)

MEMORY

ARRAY

Address

Decoder

NOTES:

1. IDT7130 (MASTER):

BUSY

is open

drain output and requires pullup

resistor of 270Ω.

IDT7140 (SLAVE):

BUSY

is input.

2. Open drain output: requires pullup

resistor of 270Ω.

ARBITRATION

and

INTERRUPT

LOGIC

INT

(2)

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

INT

2689 drw 01

(2)

MILITARY AND COMMERCIAL TEMPERATURE RANGES

For latest information contact IDT’s web site at www.idt.com or fax-on-demand at 408-492-8391.

OCTOBER 1996

DSC-2689/7

6.01

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