X84041PI-2.7 Datasheet PDF - Xicor
| Part Number | X84041PI-2.7 | |
| Description | Micro Port Saver E2PROM | |
| Manufacturers | Xicor | |
| Logo |  |
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APPLICATION NOTES AND DEVELOPMENT SYSTEM
AVA I L A B L E
X84041AN10 • AN17 • AN57 • XK84
4K X84041
Micro Port Saver E2PROM
MPS™ E2PROM
FEATURES
• Direct Interface to Micros
—Eliminates I/O port requirements
—No interface glue logic required
—Eliminates need for parallel to serial converters
• 3.3Mbps data transfer rate
• Low Power CMOS
—2.7V to 5.5V Operation
—Standby Current Less than 50µA
—Active Current Less than 1mA
• 45ns Read Access Time
• 8-Byte Page Write Mode
• Typical Nonvolatile Write Cycle Time: 5ms
• High Reliability
—100,000 Endurance Cycles
—Guaranteed Data Retention: 100 Years
• 8-Lead PDIP, 8-Lead SOIC, and
14-Lead TSSOP Packages
DESCRIPTION
The X84041 Micro Port Saver is a 4096-bit CMOS
E2PROM designed for a direct interface to port limited
microcontroller or I/O limited microprocessor designs.
The X84041 provides all of the benefits of serial memo-
ries, such as low cost, low power, low voltage operation,
and small package size, while featuring higher data
transfer rates and reduced interface code requirements—
without the need for a dedicated serial bus. The X84041
is organized as a 512 x 8, but is also suitable in 16-bit or
32-bit environments, due to the bit serial nature of the
interface.
The X84041 directly connects to the processor bus and
communicates over a single data line using a sequence
of standard bus read and write operations. This elimi-
nates the need for dedicated port pins, parallel to serial
converters, complicated ASIC implementations, or other
glue logic, lowering system cost.
PIN CONFIGURATION
CE
I/O
WP
VSS
DIP/SOIC
18
27
X84041
36
45
VCC
NC
OE
WE
2704 ILL F01.2
BLOCK DIAGRAM
WP
H.V. GENERATION
TIMING & CONTROL
CE
COMMAND
OE DECODE
AND
WE CONTROL
I/O LOGIC
X
DEC
EEPROM
ARRAY
512 x 8
TSSOP
CE 1
I/O 2
14 VCC
13 NC
NC 3
12 NC
NC 4 X84041 11 NC
NC 5
10 NC
WP 6
9 OE
VSS
7
8 WE
2704 ILL F02a.1
© Xicor, Inc. 1994, 1995, 1996 Patents Pending
2704-4.4 6/12/96 T3/C1/D0 NS
PIN NAMES
I/O Data Input/Output
CE Chip Enable Input
OE Output Enable Input
WE Write Enable Input
WP Write Protect Input
VCC Supply Voltage
VSS Ground
NC No Connect
Y DECODE
DATA REGISTER
2704 ILL F02
2704 PGM T01
1 Characteristics subject to change without notice
|
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X84041
ABSOLUTE MAXIMUM RATINGS*
Temperature under Bias .................. –65°C to +135°C
Storage Temperature ....................... –65°C to +150°C
Terminal Voltage with
Respect to VSS ....................................... –1V to +7V
DC Output Current ............................................... 5mA
Lead Temperature (Soldering, 10 seconds) ...... 300°C
RECOMMENDED OPERATING CONDITIONS
Temperature
Commercial
Industrial
Min.
0°C
–40°C
Max.
+70°C
+85°C
2704 PGM T02.2
*COMMENT
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only and the functional operation
of the device at these or any other conditions above
those indicated in the operational sections of this speci-
fication is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device
reliability.
Supply Voltage
X84041
X84041 – 3
X84041 – 2.7†
† Contact factory for availability.
Limits
5V ±10%
3V ±10%
2.7V to 5.5V
2704 PGM T03.2
D.C. OPERATING CHARACTERISTICS (VCC = 5V ±10%)
(Over the recommended operating conditions, unless otherwise specified.)
Limits
Symbol Parameter
ICC1
VCC Supply Current (Read)
Min.
Max.
1
ICC2
VCC Supply Current (Write)
3
ISB VCC Standby Current
50
ILI Input Leakage Current
10
ILO Output Leakage Current
10
VlL (1) Input LOW Voltage
–1 VCC x 0.3
VIH (1) Input HIGH Voltage
VCC x 0.7 VCC + 0.5
VOL Output LOW Voltage
0.4
VOH Output HIGH Voltage
VCC – 0.8
Notes: (1) VIL min. and VIH max. are for reference only and are not tested.
Units
mA
mA
µA
µA
µA
V
V
V
V
Test Conditions
OE = VIL, WE = VIH,
I/O = Open, CE clocking @ 2MHz
ICC During Nonvolatile Write Cycle
All Inputs at CMOS Levels
CE = VCC, Other Inputs = VCC or VSS
VCC = 5V ±10%
VIN = VSS to VCC
VOUT = VSS to VCC
IOL = 2.1mA, VCC = 5V ±10%
IOH = –1mA, VCC = 5V ±10%
2704 PGM T04.3
5
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| Information | Total 13 Pages | |
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