AS7C1024A-10JC ALSC [Alliance Semiconductor Corporation], AS7C1024A-10JC Datasheet

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AS7C1024A-10JC

Manufacturer Part Number
AS7C1024A-10JC
Description
5V/3.3V 128KX8 CMOS SRAM (Evolutionary Pinout)
Manufacturer
ALSC [Alliance Semiconductor Corporation]
Datasheet
May 2002
Logic block diagram
Selection guide
Features
• AS7C1024A (5V version)
• AS7C31024A (3.3V version)
• Industrial and commercial temperatures
• Organization: 131,072 words x 8 bits
• High speed
• Low power consumption: ACTIVE
• Low power consumption: STANDBY
GND
Maximum address access time
Maximum output enable access time
Maximum
operating current
Maximum CMOS
standby current
V
9/26/02; 0.9.9
- 10/12/15/20 ns address access time
- 5, 6, 7, 8 ns output enable access time
- 853 mW (AS7C1024A) / max @ 10 ns
- 522 mW (AS7C31024A) / max @ 10 ns
- 55 mW (AS7C1024A) / max CMOS
- 36 mW (AS7C31024A) / max CMOS
A0
A1
A2
A3
A4
A5
A6
A7
A8
CC
Column decoder
(1,048,576)
Input buffer
512 256 8
AS7C31024A
AS7C31024A
AS7C1024A
AS7C1024A
Array
5V/3.3V 128KX8 CMOS SRAM (Evolutionary Pinout)
Control
circuit
155
145
-10
Alliance Semiconductor
10
10
5
5
WE
OE
CE1
CE2
I/O7
I/O0
Pin arrangement
-12
150
140
12
10
6
5
• Latest 6T 0.25u CMOS technology
• Easy memory expansion with CE1, CE2, OE inputs
• TTL/LVTTL-compatible, three-state I/O
• 32-pin JEDEC standard packages
• ESD protection
• Latch-up current
- 300 mil SOJ
- 400 mil SOJ
- 8 × 20mm TSOP 1
- 8 x 13.4mm sTSOP 1
®
A11
A13
A15
A16
A14
A12
CE2
V
WE
NC
A9
A8
A7
A6
A5
A4
CC
I/O0
I/O1
I/O2
GND
A16
A14
A12
NC
A7
A6
A5
A4
A3
A2
A1
A0
145
135
-15
32-pin (8 x 13.4mm) sTSOP1
15
10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32-pin (8 x 20mm) TSOP I
7
5
2000 volts
32-pin SOJ (300 mil)
32-pin SOJ (400 mil)
200 mA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Copyright © Alliance Semiconductor. All rights reserved.
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V
A15
CE2
WE
A13
A8
A9
A11
OE
A10
CE1
I/O7
I/O6
I/O5
I/O4
I/O3
140
130
CC
-20
20
10
AS7C31024A
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
8
5
AS7C1024A
OE
A10
CE1
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
A3
P. 1 of 9
Unit
mA
mA
mA
mA
ns
ns

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AS7C1024A-10JC Summary of contents

Page 1

... Organization: 131,072 words x 8 bits • High speed - 10/12/15/20 ns address access time - output enable access time • Low power consumption: ACTIVE - 853 mW (AS7C1024A) / max @ 522 mW (AS7C31024A) / max @ 10 ns • Low power consumption: STANDBY - 55 mW (AS7C1024A) / max CMOS - 36 mW (AS7C31024A) / max CMOS ...

Page 2

... Functional description The AS7C1024A and AS7C31024A are high performance CMOS 1,048,576-bit Static Random Access Memory (SRAM) devices organized as 131,072 words x 8 bits designed for memory applications where fast data access, low power, and simple interfacing are desired. Equal address access and cycle times (t ...

Page 3

... AS7C1024A – Max OUT AS7C31024A – mA and/or AS7C1024A – AS7C31024A – 0mA OUT –0.2V AS7C1024A – CC AS7C31024A – –0.2V Min – CC Both = Min 2 NOMINAL) CC Symbol Signals C A, CE1, CE2, WE I/O I/O Alliance Semiconductor AS7C1024A AS7C31024A ...

Page 4

... PU t – 10 – Falling input  Data valid  t RC1 OLZ Data valid 50% Alliance Semiconductor AS7C1024A AS7C31024A -15 -20 Min Max Min Max Unit 15 – 20 – ns – 15 – – 15 – – 15 – – 7 – ...

Page 5

... Data valid t WZ  CW1 CW2 Data valid Alliance Semiconductor AS7C1024A AS7C31024A -15 -20 Min Max Min Max Unit 15 – 20 – – 12 – – 12 – – 12 – – ...

Page 6

... D OUT 255 C(14) GND Figure B: 5V Output load on CE1 is required to meet I specification Alliance Semiconductor AS7C1024A AS7C31024A Thevenin equivalent: 168 D +1.728V (5V and 3.3V) OUT +3.3V 320 D OUT 255 C(14) GND Figure C: 3.3V Output load ...

Page 7

... OL vs. output voltage V OL 140 120 100 (NOMINAL Output voltage (V) Alliance Semiconductor AS7C1024A AS7C31024A Normalized supply current I SB vs. ambient temperature T 625 (NOMINAL 0.2 0.04 -55 - 125 Ambient temperature (°C) Normalized supply current I vs ...

Page 8

... Pin 9/26/02; 0.9.9 ® Seating b Plane pin 1 pin 32 pin 16 pin 17 Alliance Semiconductor AS7C1024A AS7C31024A 32-pin SOJ 300 32-pin SOJ 400 mil mil Min Max Min Max A - 0.145 - 0.145 A1 0.025 - 0.025 A2 0.086 0.105 0.086 0.115 B 0.026 0.032 ...

Page 9

... A lliance products in such life-supporting system s im plies that the m anufacturer assum es all risk of such use and agrees to indem nify A lliance against all claim s arising from such use. ® AS7C1024A-10TJC AS7C1024A-12TJC AS7C1024A-10TJI AS7C1024A-12TJI AS7C31024A-10TJC AS7C31024A-12TJC AS7C31024A-10TJI AS7C31024A-12TJI AS7C1024A-10JC AS7C1024A-12JC AS7C1024A-10JI AS7C1024A-12JI AS7C31024A-10JC AS7C31024A-12JC AS7C31024A-10JI AS7C31024A-12JI AS7C1024A-10TC AS7C1024A-12TC AS7C1024A-10TI AS7C1024A-12TI AS7C31024A-10TC ...

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