STK15C88-W35 datasheet, PDF - EEWORLD Datasheet

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STK15C88-W35: Description32KX8 NON-VOLATILE SRAM, 35ns, PDIP28, 0.600 INCH, PLASTIC, DIP-28; Categorystorage storage; File Size294KB，10 Pages; ManufacturerCypress Semiconductor

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STK15C88-W35 Overview

32KX8 NON-VOLATILE SRAM, 35ns, PDIP28, 0.600 INCH, PLASTIC, DIP-28

STK15C88-W35 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Cypress Semiconductor
Parts packaging code	DIP
package instruction	DIP, DIP28,.6
Contacts	28
Reach Compliance Code	unknown
ECCN code	EAR99
Maximum access time	35 ns
Other features	EEPROM SOFTWARE STORE; SOFTWARE RECALL; STORE CYCLE = 100000
JESD-30 code	R-PDIP-T28
JESD-609 code	e0
length	36.83 mm
memory density	262144 bit
Memory IC Type	NON-VOLATILE SRAM
memory width	8
Number of functions	1
Number of ports	1
Number of terminals	28
word count	32768 words
character code	32000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	32KX8
Output characteristics	3-STATE
Exportable	YES
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Encapsulate equivalent code	DIP28,.6
Package shape	RECTANGULAR
Package form	IN-LINE
Parallel/Serial	PARALLEL
Peak Reflow Temperature (Celsius)	240
power supply	5 V
Certification status	Not Qualified
Maximum seat height	4.57 mm
Maximum standby current	0.003 A
Maximum slew rate	0.075 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	NO
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn85Pb15)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	15.24 mm

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STK15C88

32K x 8

AutoStore™

nvSRAM

QuantumTrap™

CMOS

Nonvolatile Static RAM

FEATURES

• Nonvolatile Storage without Battery Problems

• Directly Replaces 32K x 8 Static RAM, Battery-

Backed RAM or EEPROM

• 25ns, 35ns and 45ns Access Times

•

STORE

to nonvolatile elements Initiated by

Software or

AutoStore™

•

RECALL

to SRAM Initiated by Software or

Power Restore

• 10mA Typical I

at 200ns Cycle Time

• Unlimited READ, WRITE and

RECALL

Cycles

• 1,000,000

STORE

Cycles to nonvolatile ele-

ments

• 100-Year Data Retention in nonvolatile ele-

ments (Commercial/Industrial)

• Single 5V

10% Operation

• Commercial and Industrial Temperatures

• 28-Pin PDIP and SOIC Packages

DESCRIPTION

The STK15C88 is a fast

SRAM

with a nonvolatile

element incorporated in each static memory cell.

The

SRAM

can be read and written an unlimited

number of times, while independent nonvolatile data

resides in nonvolatile elements. Data transfers from

the

SRAM

to the nonvolatile elements (the

STORE

operation) can take place automatically on power

down using charge stored in system capacitance.

Transfers from the nonvolatile elements to the

SRAM

(the

RECALL

operation) take place automatically on

restoration of power. Initiation of

STORE

and

RECALL

cycles can also be controlled by entering specific

read sequences. The STK15C88 is pin-compatible

with 32k x 8

SRAM

s and battery-backed

SRAM

allowing direct substitution while enhancing perfor-

mance. A similar device (STK16C88) with an inter-

nally integrated capacitor is available for

applications with very fast power-down slew rates.

The STK14C88, which uses an external capacitor, is

another alternative for these applications.

BLOCK DIAGRAM

QUANTUM TRAP

512 x 512

PIN CONFIGURATIONS

STORE/

RECALL

CONTROL

ROW DECODER

STORE

STATIC RAM

ARRAY

512 x 512

RECALL

POWER

CONTROL

SOFTWARE

DETECT

INPUT BUFFERS

COLUMN I/O

COLUMN DEC

- A

28 - 300 PDIP

28 - 600 PDIP

28 - 300 SOIC

28 - 350 SOIC

PIN NAMES

- A

Address Inputs

Write Enable

Data In/Out

Chip Enable

Output Enable

Power (+ 5V)

Ground

- DQ

September 2003

Document Control # ML0016 rev 0.1

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