X25160S Xicor, X25160S Datasheet

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X25160S

Manufacturer Part Number
X25160S
Description
Manufacturer
Xicor
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
X25160ST1
Manufacturer:
XICOR
Quantity:
20 000
Recommended System Management
Alternative: X5163
16K
FEATURES
• 2MHz clock rate
• SPI modes (0,0 & 1,1)
• 2K X 8 bits
• Low power CMOS
• 2.7V To 5.5V power supply
• Block lock protection
• Built-in inadvertent write protection
• Self-timed write cycle
• High reliability
• 8-lead PDlP package
• 8-lead SOIC package
BLOCK DIAGRAM
Direct Write
REV 1.2 11/28/00
—32-byte page mode
—<1µA standby current
—<5mA active current
—Protect 1/4, 1/2 or all of EEPROM array
—Power-up/power-down protection circuitry
—Write enable latch
—Write protect pin
—5ms write cycle time (typical)
—Endurance: 1,000,000 cycles
—Data retention: 100 years
—ESD protection: 2000V on all pins
and Block Lock
HOLD
SCK
SO
CS
WP
SI
SPI Serial EEPROM With Block Lock
Protection is a trademark of Xicor, Inc.
Command
Register
Decode
Control
Control
Timing
Status
Logic
Logic
Write
and
and
Protect
Logic
Write
www.xicor.com
X25160
DESCRIPTION
The X25160 is a CMOS 16384-bit serial EEPROM,
internally organized as 2K x 8. The X25160 features a
Serial Peripheral Interface (SPI) and software proto-
col, allowing operation on a simple three-wire bus. The
bus signals are a clock input (SCK) plus separate data
in (SI) and data out (SO) lines. Access to the device is
controlled through a chip select (CS) input, allowing
any number of devices to share the same bus.
The X25160 also features two additional inputs that
provide the end user with added flexibility. By assert-
ing the HOLD input, the X25160 will ignore transitions
on its inputs, thus allowing the host to service higher
priority interrupts. The WP input can be used as a
hardwire input to the X25160 disabling all write
attempts to the status register, thus providing a mech-
anism for limiting end user capability of altering 0, 1/4,
1/2 or all of the memory.
The X25160 utilizes Xicor’s proprietary Direct Write
cell, providing a minimum endurance of 1,000,000
cycles and a minimum data retention of 100 years.
X Decode
Logic
32
Characteristics subject to change without notice.
Protection
16
16
32
Data Register
32 X 256
Y Decode
2K Byte
16 X 256
16 X 256
Array
8
2K x 8 Bit
1 of 14

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X25160S Summary of contents

Page 1

... Timing WP Logic ™ ™ Direct Write and Block Lock Protection is a trademark of Xicor, Inc. REV 1.2 11/28/00 X25160 ™ Protection DESCRIPTION The X25160 is a CMOS 16384-bit serial EEPROM, internally organized The X25160 features a Serial Peripheral Interface (SPI) and software proto- col, allowing operation on a simple three-wire bus ...

Page 2

... CS goes LOW. SCK is static, allowing the user to stop the clock and then resume operations. If the clock line is shared with other peripheral devices on the SPI bus, the user can assert the HOLD input to place the www.xicor.com Characteristics subject to change without notice. DIP/SOIC 8 ...

Page 3

... Write status register Read data from memory array beginning at selected address Write data to memory array beginning at selected address (1 to 32-bytes) Protected Blocks Unprotected Blocks Protected Protected Protected Protected Protected Protected www.xicor.com Array Addresses BP0 Protected 0 None 1 $0600–$07FF 0 $0400–$07FF 1 $0000– ...

Page 4

... The device is in the LOW power standby state. – A HIGH to LOW transition required to enter an active state and receive an instruction. – SO pin is HIGH impedance. – The “write enable” latch is reset. www.xicor.com Characteristics subject to change without notice. ) under normal ...

Page 5

... Bit Address Instruction 7 6 MSB www.xicor.com Data Out MSB Data Out Characteristics subject to change without notice ...

Page 6

... SCK Instruction SI High Impedance SO REV 1.2 11/28/ High Impedance Bit Address www.xicor.com 7 Data Byte Characteristics subject to change without notice ...

Page 7

... Bit Address Data Byte Instruction 7 www.xicor.com Data Byte Data Byte Data Byte ...

Page 8

... 0.4 V – 0.8 CC 0.4 V – 0.3 CC Parameter = 5V CC Test Max. is stable until the specified operation can be initiated. These parameters CC www.xicor.com Limits X25160-2.7 2.7V to 5.5V Unit Test Conditions mA SCK = V x 0.1/V x 0.9 @ 2MHz Open µ µA V ...

Page 9

... Input pulse levels 3V Input rise and fall times 1.64KΩ Input and output timing level 100pF Min. 0 500 250 250 200 200 50 50 100 100 2.0 Min 100 100 www.xicor.com 10ns V x 0.5 CC Max. Unit 2 MHz µs 2 µ ...

Page 10

... SCK MSB Out ADDR SI LSB IN Serial Input Timing CS t LEAD SCK MSB In High Impedance SO REV 1.2 11/28/ CYC MSB–1 Out www.xicor.com t LAG DIS LSB Out LAG t FI LSB In Characteristics subject to change without notice ...

Page 11

... LOW to HIGH to HIGH May change Will change from HIGH from HIGH to LOW to LOW Don’t Care: Changing: Changes State Not Allowed Known N/A Center Line is High Impedance REV 1.2 11/28/ www.xicor.com Characteristics subject to change without notice ...

Page 12

... Plastic Dual In-Line Package Type P 0.430 (10.92) 0.360 (9.14) Pin 1 Index Pin 1 0.300 (7.62) Ref. Seating Plane 0.150 (3.81) 0.125 (3.18) 0.110 (2.79) 0.090 (2.29) 0.325 (8.25) 0.300 (7.62) Max. www.xicor.com 0.260 (6.60) 0.240 (6.10) 0.060 (1.52) 0.020 (0.51) 0.145 (3.68) 0.128 (3.25) 0.025 (0.64) 0.015 (0.38) 0.065 (1.65) 0.045 (1.14) 0.020 (0.51) 0.016 (0.41) 0° 15° Characteristics subject to change without notice. ...

Page 13

... NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) REV 1.2 11/28/00 Pin 1 0.014 (0.35) 0.019 (0.49) 0.188 (4.78) 0.197 (5.00) (4X) 7° 0.050 (1.27) X 45° 0.0075 (0.19) 0.010 (0.25) FOOTPRINT www.xicor.com 0.150 (3.80) 0.228 (5.80) 0.158 (4.00) 0.244 (6.20) 0.053 (1.35) 0.069 (1.75) 0.004 (0.19) 0.010 (0.25) 0.050" Typical 0.050" Typical 0.250" 0.030" Typical 8 Places Characteristics subject to change without notice ...

Page 14

... Xicor, Inc. makes no warranty of merchantability or fitness for any purpose. Xicor, Inc. reserves the right to discontinue production and change specifications and prices at any time and without notice. Xicor, Inc. assumes no responsibility for the use of any circuitry other than circuitry embodied in a Xicor, Inc. product. No other circuits, patents, or licenses are implied. TRADEMARK DISCLAIMER: Xicor and the Xicor logo are registered trademarks of Xicor, Inc ...

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