a42l2604 AMIC Technology Corporation, a42l2604 Datasheet - Page 2

• Manufacturer Part Number: a42l2604
• Description: 4m X 4 Cmos Dynamic Ram With Edo Page Mode - Amic Technology
• Manufacturer: AMIC Technology Corporation

Preliminary
Features
n Organization: 4,194,304 words X 4 bits
n Part Identification
n Single 3.3V power supply/built-in VBB generator
n Low power consumption
n High speed
General Description
The A42L2604 is a new generation randomly accessed
memory for graphics, organized in a 4,194,304-word by
4-bit configuration. This product can execute Write and
Read operation via CAS pin.
The A42L2604 offers an accelerated Fast Page Mode
Pin Configuration
PRELIMINARY
- Standby: 1.0mA (TTL), 1.5mA (CMOS),
- A42L2604 (2K Ref.)
- Operating: 80mA (-45 max)
- 45/50 ns RAS access time
- 20/22 ns column address access time
- 12/13 ns CAS access time
- 18/20 ns EDO Page Mode Cycle Time
n n SOJ
VCC
RAS
VCC
A10
I/O
I/O
WE
NC
A0
A1
A2
A3
0
1
1
8
9
10
11
12
13
2
3
4
5
6
350 A (Self-refresh current)
26
25
24
23
22
21
19
18
17
16
15
14
(June, 2002, Version 0.3)
VSS
I/O
I/O
CAS
OE
A9
A8
A7
A6
A5
A4
VSS
3
2
4M X 4 CMOS DYNAMIC RAM WITH EDO PAGE MODE
VCC
RAS
VCC
A10
I/O
I/O
WE
NC
n n TSOP
A0
A1
A2
A3
0
1
1
8
9
10
11
12
13
2
3
4
5
6
26
25
24
23
22
21
19
18
17
16
15
14
VSS
I/O
I/O
CAS
OE
A9
A8
A7
A6
A5
A4
VSS
3
2
1
n Industrial operating temperature range: -40 C to +85 C
n Fast Page Mode with Extended Data Out
n 2K Refresh Cycle in 32ms
n Read-modify-write, RAS -only, CAS -before- RAS ,
n TTL-compatible, three-state I/O
n JEDEC standard packages
cycle with a feature called Extended Data Out (EDO).
This allow random access of up to 2048(2K Ref.) words
within a row at a 56/50 MHz EDO cycle, making the
A42L2604 ideally suited for graphics, digital signal
processing and high performance computing systems.
Pin Descriptions
for -U
Hidden refresh capability
- 300mil, 24/26-pin SOJ
- 300mil, 24/26-pin TSOP type II package
A0 – A10
I/O
VCC
VSS
NC
Symbol
WE
RAS
CAS
OE
0
- I/O
3
Address Inputs (2K product)
Data Input/Output
Row Address Strobe
Column Address Strobe
Write Enable
Output Enable
3.3V Power Supply
Ground
No Connection
A42L2604 Series
AMIC Technology, Inc.
Description