N04M1618L1A Datasheet, PDF (2/9 Pages) NanoAmp Solutions, Inc. – 4Mb Ultra-Low Power Asynchronous Medical CMOS SRAM 256Kx16 bit

NanoAmp Solutions, Inc.
Functional Block Diagram
Address
Inputs
A₀ - A₁₇
Address
Decode
Logic
CE1
WE
Control
OE
Logic
UB
LB
256K x 16
Memory
Array
N04M1618L1A
Input/
Output
Mux
and
Buffers
I/O₀ - I/O₇
I/O₈ - I/O₁₅
Functional Description
CE1
CE2
WE
OE
I/O₀ - I/O₇
MODE
POWER
H
X
X
X
X
L
X
X
L
H
L
X²
High Z
High Z
Data In
Standby¹
Standby¹
Write²
Standby
Standby
Active
L
H
H
L
L
H
H
H
Data Out
High Z
Read
Active
Active
Active
1. When the device is in standby mode, control inputs (WE and OE), address inputs and data input/outputs are internally isolated
from any external influence and disabled from exerting any influence externally.
2. 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
C_IN
V_IN = 0V, f = 1 MHz, T_A = 25^oC
C_I/O
V_IN = 0V, f = 1 MHz, T_A = 25^oC
1. These parameters are verified in device characterization and are not 100% tested
Min Max Unit
8
pF
8
pF
Stock No. 23209-01 11/01/02
2
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.