IS25C128A Datasheet, PDF (1/17 Pages) Integrated Silicon Solution, Inc – 128K-bit SPI SERIAL ELECTRICALLY ERASABLE PROM

IS25C128A
128K-bit SPI SERIAL
ELECTRICALLY ERASABLE PROM
Advanced Information
DECEMBER 2008
FEATURES
• Serial Peripheral Interface (SPI) Compatible
— Supports SPI Modes 0 (0,0) and 3 (1,1)
• Low power CMOS
— Active current less than 3.0 mA (1.8V)
— Standby current less than 15 µA (1.8V)
• Low-voltage Operation
— Vcc = 1.8V to 5.5V
• Block Write Protection
— Protect 1/4, 1/2, or Entire Array
• 64-byte page write mode
— Partial page writes allowed
• 10 MHz Clock Rate (5V)
• Self timed write cycles
— 5ms max @ 2.5V
• High-reliability
— Endurance: 1,000,000 cycles
— Data retention: 40 years
• Packages: SOIC/SOP, TSSOP and PDIP
• Industrial temperature range
• Lead free
DESCRIPTION
The IS25C128A is electrically erasable PROM devices
that use the Serial Peripheral Interface (SPI) for
communications. The IS25C128A is 128Kbit
(16K x 8). The IS25C128A EEPROMs is offered in a
wide operating voltage range of 1.8V to 5.5V for
compatibility with most application voltages. ISSI
designed the IS25C128A to be an efficient SPI EEPROM
solution. The device is offered in lead-free, RoHS,
halogen free or Green. The available package types are
8-pin SOIC, TSSOP and PDIP.
The functional features of the IS25C128A allow them to
be among the most advanced serial non-volatile memo-
ries available. Each device has a Chip-Select (CS) pin,
and a 3-wire interface of Serial Data In (SI), Serial Data
Out (SO), and Serial Clock (SCK). While the 3-wire
interface of the IS25C128A provides for high-speed
access, a HOLD pin allows the memories to ignore the
interface in a suspended state; later the HOLD pin re-
activates communication without re-initializing the serial
sequence. A Status Register facilitates a flexible write
protection mechanism, and a device-ready bit (RDY).
Copyright © 2008 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without
notice. ISSI products are not designed, intended, authorized or warranted for use as components in systems or equipment intended for critical medical or surgical equipment,
aerospace systems, or for other applications planned to support or sustain life. It is the customer's obligation to optimize the design in their own products for the best
performance and optimization on the functionality and etc. ISSI assumes no liability arising out of the application or use of any information, products or services described
herein. Customers are advised to obtain the latest version of this device specification before relying on any published information and prior placing orders for products.
Integrated Silicon Solution, Inc.
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Advanced Information Rev. 00E
11/25/08