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NanoAmp Solutions
NanoAmp Solutions


N04L163WC1C

4Mb Ultra-Low Power Asynchronous CMOS SRAM 256Kx16 bit



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N04L163WC1C pdf
NanoAmp Solutions, Inc.
1982 Zanker Road, San Jose, CA 95112
ph: 408-573-8878, FAX: 408-573-8877
www.nanoamp.com
N04L163WC1C
Advance wInwwfo.DramtaShaeetti4oU.ncom
4Mb Ultra-Low Power Asynchronous CMOS SRAM
256K × 16 bit
Overview
Features
The N04L163WC1C is an integrated memory
device containing a 4 Mbit Static Random Access
Memory organized as 262,144 words by 16 bits.
The device is designed and fabricated using
NanoAmp’s advanced CMOS technology to
provide both high-speed performance and ultra-low
power. The device operates with a single chip
enable (CE) control and output enable (OE) to
allow for easy memory expansion. Byte controls
(UB and LB) allow the upper and lower bytes to be
accessed independently. The N04L163WC1C is
optimal for various applications where low-power is
critical such as battery backup and hand-held
devices. The device can operate over a very wide
temperature range of -40oC to +85oC and is
available in JEDEC standard packages compatible
with other standard 256Kb x 16 SRAMs.
Product Family
• Single Wide Power Supply Range
2.2 to 3.6 Volts
• Very low standby current
2.0µA at 3.0V (Typical)
• Very low operating current
1.5mA at 3.0V and 1µs (Typical)
• Simple memory control
Single Chip Enable (CE)
Byte control for independent byte operation
Output Enable (OE) for memory expansion
• Low voltage data retention
Vcc = 1.5V
• Very fast output enable access time
25ns OE access time
• Automatic power down to standby mode
• TTL compatible three-state output driver
• Compact space saving BGA package avail-
able
• Ultra Low Power Sort Available
Part Number
N04L163WC1CZ1
N04L163WC1CT1
Package Type
VFBGA Pb-Free
44-TSOP II Pb-Free
Operating
Power
Temperature Supply (Vcc)
-40oC to +85oC 2.2V - 3.6V
Speed
Options
55ns
Standby Operating
Current
Current
(ISB), Typical (Icc), Typical
2 µA
1.5 mA @
1MHz
Pin Configurations
A4
A3
A2
A1
A0
CE
I/O0
I/O1
I/O2
I/O3
VCC
VSS
I/O4
I/O5
I/O6
I/O7
WE
A17
A16
A15
A14
A13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
PIN
ONE
44 A5
43 A6
42 A7
41 OE
40 UB
39 LB
38 I/O15
37 I/O14
36 I/O13
35 I/O12
34 VSS
33 VCC
32 I/O11
31 I/O10
30 I/O9
29 I/O8
28 NC
27 A8
26 A9
25 A10
24 A11
23 A12
123456
A LB OE A0 A1 A2 NC
B I/O8 UB A3 A4 CE I/O0
C I/O9 I/O10 A5 A6 I/O1 I/O2
D VSS I/O11 A17 A7 I/O3 VCC
E VCC I/O12 DNU A16 I/O4 VSS
F I/O14 I/O13 A14 A15 I/O5 I/O6
G I/O15 NC A12 A13 WE I/O7
H NC A8 A9 A10 A11 NC
48 Pin VFBGA (top)
6 x 8 mm
Pin Descriptions
Pin Name
A0-A17
WE
CE
OE
LB
UB
I/O0-I/O15
VCC
VSS
NC
DNU
Pin Function
Address Inputs
Write Enable Input
Chip Enable Input
Output Enable Input
Lower Byte Enable Input
Upper Byte Enable Input
Data Inputs/Outputs
Power
Ground
Not Connected
Do Not Use
Stock No. 23373-C 1/05
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
1



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N04L163WC1C pdf
NanoAmp Solutions, Inc.
Functional Block Diagram
N04L163WC1C
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Address
Inputs
A0 - A3
Word
Address
Decode
Logic
Address
Inputs
A4 - A17
Page
Address
Decode
Logic
CE
WE
OE
UB
Control
Logic
LB
16K Page
x 16 word
x 16 bit
RAM Array
Input/
Output
Mux
and
Buffers
I/O0 - I/O7
I/O8 - I/O15
Functional Description
CE WE OE UB LB
I/O0 - I/O151
MODE
POWER
HXXXX
XXXHH
L L X3 L1 L1
L H L L1 L1
L H H L1 L1
High Z
High Z
Data In
Data Out
High Z
Standby2
Standby2
Write3
Read
Active
Standby
Standby
Active
Active
Active
1. When UB and LB are in select mode (low), I/O0 - I/O15 are affected as shown. When LB only is in the select mode only I/O0 - I/O7
are affected as shown. When UB is in the select mode only I/O8 - I/O15 are affected as shown.
2. When the device is in standby mode, control inputs (WE, OE, UB, and LB), address inputs and data input/outputs are internally
isolated from any external influence and disabled from exerting any influence externally.
3. When WE is invoked, the OE input is internally disabled and has no effect on the circuit.
Capacitance1
Item
Symbol
Test Condition
Input Capacitance
I/O Capacitance
CIN VIN = 0V, f = 1 MHz, TA = 25oC
CI/O VIN = 0V, f = 1 MHz, TA = 25oC
1. These parameters are verified in device characterization and are not 100% tested
Min Max Unit
10 pF
10 pF
Stock No. 23373-C 1/05
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
2



Part Number N04L163WC1C
Description 4Mb Ultra-Low Power Asynchronous CMOS SRAM 256Kx16 bit
Maker NanoAmp Solutions - NanoAmp Solutions
Total Page 10 Pages
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