AS4C4M4 Datasheet, PDF (1/19 Pages) Austin Semiconductor – 4M x 4 CMOS DRAM WITH FAST PAGE MODE, 5 VOLT

16 Meg FPM DRAM
Austin Semiconductor, Inc.
AS4C4M4
4M x 4 CMOS DRAM
WITH FAST PAGE MODE, 5 VOLT
AVAILABLE AS MILITARY
SPECIFICATIONS
• MIL-STD-883
FEATURES
• Fast Page Mode Operation
• CAS\-before-RAS\ Refresh Capability
• RAS\-only and Hidden Refresh Capability
• Self-refresh Capability
• Fast Parallel Test Mode Capability
• TTL Compatible Inputs and Outputs
• Early Write or Output Enable Controlled Write
• JEDEC Standard Pinout
• Single +5V (±10%) Power Supply
PIN ASSIGNMENT
(Top View)
24 Pin TSOP (DG)
Vcc 1
DQ0 2
DQ1 3
W\ 4
RAS\ 5
NC 6
24 Vss
23 DQ3
22 DQ2
21 CAS\
20 OE\
19 A9
A10 7
A0 8
A1 9
A2 10
A3 11
Vcc 12
18 A8
17 A7
16 A6
15 A5
14 A4
13 Vss
OPTIONS
• Timing
60ns access
70ns access
• Package
Plastic TSOP, 24-pin
MARKINGS
-6
-7
DG
PIN ASSIGNMENT
PIN
FUNCTION
A0 - A10
Address Inputs
DQ0 -DQ3
Data In/Out
• Operating Temperature Ranges
Military (-55^oC to +125^oC)
XT
Industrial (-40^oC to +85^oC)
IT
GENERAL DESCRIPTION
The Austin Semiconductor, Inc. AS4C4M4DG is a
4,194,304 x 4 bit Fast Page Mode CMOS DRAM offering
high speed random access of memory cells within the same
row. This device features a +5V (±10%) power supply,
refresh cycle (2K), and fast access times (60 and 70ns). Other
features include CAS\-before-RAS\, RAS\-only refresh, and
Hidden refresh capabilities. This 4M x 4 Fast Page Mode DRAM
is fabricated using an advanced CMOS process to realize high
bandwidth, low power consumption and high reliability. It may
be used as main memory for high level computers,
microcomputers and personal computers.
V_SS
RAS\
CAS\
W\
OE\
V_CC
NC
Ground
Row Address Strobe
Column Address Strobe
Read/Write Input
Data Output Enable
Power (+5V)
No Connect
PERFORMANCE RANGE
SPEED
t_RAC
t_CAC
t_RC
t_PC
-6
60
15
110
40
-7
70
18
130
45
For more products and information
please visit our web site at
www.austinsemiconductor.com
UNITS
ns
ns
AS4C4M4
Rev. 1.1 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
1