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X84041PI-2.7 Schematic ( PDF Datasheet ) - Xicor

Teilenummer X84041PI-2.7
Beschreibung Micro Port Saver E2PROM
Hersteller Xicor
Logo Xicor Logo 




Gesamt 13 Seiten
X84041PI-2.7 Datasheet, Funktion
APPLICATION NOTES AND DEVELOPMENT SYSTEM
AVA I L A B L E
X84041AN10 • AN17 • AN57 • XK84
4K X84041
Micro Port Saver E2PROM
MPSE2PROM
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






X84041PI-2.7 Datasheet, Funktion
X84041
D.C. OPERATING CHARACTERISTICS (VCC = 3V ±10%)
(Over the recommended operating conditions, unless otherwise specified.)
Limits
Symbol Parameter
ICC1
VCC Supply Current (Read)
Min.
Max.
250
ICC2
VCC Supply Current (Write)
1
ISB1 VCC Standby Current
10
ILI Input Leakage Current
10
ILO
VlL(1)
VIH(1)
Output Leakage Current
Input LOW Voltage
Input HIGH Voltage
–1
VCC x 0.7
10
VCC x 0.3
VCC + 0.5
VOL Output LOW Voltage
0.4
VOH Output HIGH Voltage
VCC – 0.4
Notes: (1) VIL min. and VIH max. are for reference only and are not tested.
Units
µA
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 = 3V ±10%
VIN = VSS to VCC
VOUT = VSS to VCC
IOL = 1mA, VCC = 3V ±10%
IOH = –400µA, VCC = 3V ±10%
2704 PGM T05.2
CAPACITANCE
TA = +25°C, f = 1MHz, VCC = 5V
Symbol
Parameter
CI/O(2)
CIN(2)
Input/Output Capacitance
Input Capacitance
Notes: (2) Periodically sampled, but not 100% tested.
Max.
8
6
Units
pF
pF
Test Conditions
VI/O = 0V
VIN = 0V
2704 PGM T06.2
POWER-UP TIMING
Symbol
Parameter
Max.
tPUR(3)
tPUW(3)
Power-up to Read Operation
Power-up to Write Operation
2
5
Notes: (3) Time delays required from the time the VCC is stable until the specific operation can be initiated.
Periodically sampled, but not 100% tested.
Units
ms
ms
2704 PGM T07
A.C. CONDITIONS OF TEST
Input Pulse Levels
Input Rise and Fall Times
Input and Output
Timing Levels
VCC x 0.1 to VCC x 0.9
5ns
VCC x 0.5
2704 PGM T08.1
6

6 Page









X84041PI-2.7 pdf, datenblatt
X84041
PACKAGING INFORMATION
14-LEAD PLASTIC, TSSOP PACKAGE TYPE V
.025 (.65) BSC
.169 (4.3)
.252 (6.4) BSC
.177 (4.5)
.193 (4.9)
.200 (5.1)
.0075 (.19)
.0118 (.30)
.047 (1.20)
.002 (.05)
.006 (.15)
0° – 8°
.019 (.50)
.029 (.75)
Detail A (20X)
.010 (.25)
Gage Plane
Seating Plane
See Detail “A”
.031 (.80)
.041 (1.05)
NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS)
12
3926 FHD F32

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