x20c04 Intersil Corporation, x20c04 Datasheet

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x20c04

Manufacturer Part Number
x20c04
Description
Nonvolatile Static Ram
Manufacturer
Intersil Corporation
Datasheet

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X20C04
4K
FEATURES
PIN CONFIGURATION
©Xicor, Inc. 1992, 1995, 1996 Patents Pending
3825-2.8 7/31/97 T4/C0/D0 SH
High Reliability
—Endurance: 1,000,000 Nonvolatile Store
—Retention: 100 Years Minimum
Power-on Recall
—E
Lock Out Inadvertent Store Operations
Low Power CMOS
—Standby: 250 A
Infinite E
and Write Cycles
Compatible with X2004
Operations
SRAM Upon Power-up
2
PROM Data Automatically Recalled Into
2
PROM Array Recall, and RAM Read
V SS
I/O 0
I/O 1
I/O 2
NC
NE
A 7
A 6
A 5
A 4
A 3
A 2
A 1
A 0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PLASTIC
CERDIP
X20C04
3825 FHD F02
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V CC
WE
NC
A 8
NC
NC
OE
NC
CE
I/O 7
I/O 6
I/O 5
I/O 4
I/O 3
Nonvolatile Static RAM
X20C04
1
DESCRIPTION
The Xicor X20C04 is a 512 x 8 NOVRAM featuring a
static RAM overlaid bit-for-bit with a nonvolatile electri-
cally erasable PROM (E
cated with advanced CMOS floating gate technology to
achieve low power and wide power-supply margin. The
X20C04 features the JEDEC approved pinout for byte-
wide memories, compatible with industry standard RAMs,
ROMs, EPROMs, and E
The NOVRAM design allows data to be easily trans-
ferred from RAM to E
RAM (recall). The store operation is completed in 5ms or
less and the recall operation is completed in 5 s or less.
Xicor NOVRAMS are designed for unlimited write
operations to RAM, either from the host or recalls from
E
the E
than 100 years.
2
PROM, and a minimum 1,000,000 store operations to
2
PROM. Data retention is specified to be greater
I/O 0
NC
A 6
A 5
A 4
A 3
A 2
A 1
A 0
5
6
7
8
9
10
12
13
11
14 15 16 17 18 19 20
4
3
(TOP VIEW)
2
2
PROM (store) and E
X20C04
PLCC
2
2
LCC
PROM). The X20C04 is fabri-
PROMs.
Characteristics subject to change without notice
1 32 31 30
3825 FHD F03
29
28
27
26
25
24
23
22
21
512 x 8 Bit
A 8
NC
NC
NC
OE
NC
CE
I/O 7
I/O 6
2
PROM to

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x20c04 Summary of contents

Page 1

... Inc. 1992, 1995, 1996 Patents Pending 3825-2.8 7/31/97 T4/C0/D0 SH X20C04 Nonvolatile Static RAM DESCRIPTION The Xicor X20C04 is a 512 x 8 NOVRAM featuring a static RAM overlaid bit-for-bit with a nonvolatile electri- cally erasable PROM (E cated with advanced CMOS floating gate technology to achieve low power and wide power-supply margin. The ...

Page 2

... Enable LOW disables a store operation regardless of the state of CE, WE, or NE. Data In/Data Out (I/O –I Data is written to or read from the X20C04 through the I/O pins. The I/O pins are placed in the high impedance state when either HIGH or when NE is LOW. FUNCTIONAL DIAGRAM A 3 – ...

Page 3

... X20C04 DEVICE OPERATION The CE, OE, WE and NE inputs control the X20C04 operation. The X20C04 byte-wide NOVRAM uses a 2-line control architecture to eliminate bus contention in a system environment. The I/O bus will high impedance state when either HIGH, or when NE is LOW. RAM Operations RAM read and write operations are performed as they would be with any static RAM ...

Page 4

... All Inputs = V All I/Os = Open – Parameter = 5V. CC Test Max Limits X20C04 5V 10% Test Conditions , All I/Os = Open IH – 0. OUT 2.1mA OL = –400 A OH Max. Units 100 ...

Page 5

... X20C04 ENDURANCE AND DATA RETENTION Parameter Endurance Store Cycles Data Retention MODE SELECTION EQUIVALENT A.C. LOAD CIRCUIT 5V 1.92K OUTPUT 1.37K Min. 100,000 ...

Page 6

... LZ HZ OLZ = 5pF from the point when return HIGH (whichever occurs first) to the time when the outptus are no longer driven X20C04-15 X20C04-20 X20C04-25 Min. Max. Min. Max. Min. Max. Min. Max. Units 150 150 150 ...

Page 7

... WE Controlled Write Cycle ADDRESS DATA OUT DATA IN Note: ( and t are periodically sampled and not 100% tested X20C04-15 X20C04-20 X20C04-25 Min. Max. Min. Max. Min. Max. Min. Max. Units 150 200 150 200 0 0 100 120 0 0 100 120 0 ...

Page 8

... X20C04 CE Controlled Write Cycle ADDRESS DATA OUT DATA DATA VALID 3825 FHD F07.1 ...

Page 9

... Function NE Setup Time from Store Timing NE t SOE NHZ DATA I Note: (5) X20C04 V min minimum time that NE, WE and CE must be LOW simultaneously. The Store Pulse Width (t SP X20C04-15 X20C04-20 Min. Max. Min. Max. Min 100 ...

Page 10

... Note: (6) The Recall Pulse Width (t RCP NE and CE. X20C04-15 X20C04-20 Min. Max. Min. 5 0 RCC t RCP ) is a minimum time that NE, OE and CE must be LOW simultaneously to insure data integrity, 10 X20C04-25 X20C04 Max. Min. Max. Min. Max 0. Units 3825 PGM T13 ...

Page 11

... X20C04 PACKAGING INFORMATION 28-LEAD HERMETIC DUAL IN-LINE PACKAGE TYPE D PIN 1 SEATING PLANE 0.200 (5.08) 0.150 (3.81) MIN. 0.125 (3.18) 0.110 (2.79) 0.090 (2.29) TYP. 0.100 (2.54) NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) 1.490 (37.85) MAX. 0.065 (1.65) 0.038 (0.97) TYP. 0.055 (1.40) 0.620 (15.75) 0.590 (14.99) TYP. 0.614 (15.60) 0.015 (0.38) 0.008 (0.20) 11 0.610 (15.49) 0.500 (12.70) 0.005 (0.127) MIN. ...

Page 12

... X20C04 PACKAGING INFORMATION 28-LEAD PLASTIC DUAL IN-LINE PACKAGE TYPE P PIN 1 INDEX PIN 1 SEATING PLANE 0.160 (4.06) 0.120 (3.05) 0.110 (2.79) 0.090 (2.29) TYP. 0.010 (0.25) NOTE: 1. ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) 2. PACKAGE DIMENSIONS EXCLUDE MOLDING FLASH 1.470 (37.34) 1.400 (35.56) 1.300 (33.02) REF. 0.065 (1.65) 0.022 (0.56) 0.040 (1.02) 0.014 (0.36) 0.625 (15.88) 0.590 (14.99) ...

Page 13

... X20C04 PACKAGING INFORMATION 32-PAD CERAMIC LEADLESS CHIP CARRIER PACKAGE TYPE E 0.300 (7.62) 0.015 (0.38) 0.003 (0.08) PIN 1 0.200 (5.08) BSC 0.028 (0.71) 0.022 (0.56) (32) PLCS. 0.458 (11.63) 0.442 (11.22) 0.458 (11.63) NOTE: 1. ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) 2. TOLERANCE: 1% NLT 0.005 (0.127) BSC 0.150 (3.81) BSC 0.020 (0.51 REF. 0.095 (2.41) 0.075 (1.91) 0.022 (0.56) DIA ...

Page 14

... X20C04 32-LEAD PLASTIC LEADED CHIP CARRIER PACKAGE TYPE J 0.420 (10.67) 0.045 (1.14 0.495 (12.57) 0.485 (12.32) TYP. 0.490 (12.45) 0.453 (11.51) 0.447 (11.35) TYP. 0.450 (11.43) 0.300 (7.62) REF. PIN 1 TYPICAL 0.050 (1.27) TYP. FOOTPRINT 0.021 (0.53) 0.013 (0.33) TYP. 0.017 (0.43) 0.595 (15.11) 0.585 (14.86) TYP. 0.590 (14.99) 0.553 (14.05) 0.547 (13.89) TYP. 0.550 (13.97) 0.400 (10.16) REF. NOTES: 1 ...

Page 15

... X20C04 ORDERING INFORMATION X20C04 Device LIMITED WARRANTY Devices sold by Xicor, Inc. are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. Xicor, Inc. makes no warranty, express, statutory, implied description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement ...

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