as7c31026b Alliance Memory, Inc, as7c31026b Datasheet

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as7c31026b

Manufacturer Part Number
as7c31026b
Description
3.3 V 64k X 16 Cmos Sram
Manufacturer
Alliance Memory, Inc
Datasheet

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Logic block diagram
Selection guide
Maximum address access time
Maximum output enable access time
Maximum operating current
Maximum CMOS standby current
WE
Features
• Industrial and commercial versions
• Organization: 65,536 words × 16 bits
• Center power and ground pins for low noise
• High speed
• Low power consumption: ACTIVE
• Low power consumption: STANDBY
• 6 T 0.18 u CMOS technology
OE
UB
CE
March 2004
LB
3/26/04, v 1.3
- 10/12/15/20 ns address access time
- 5, 6, 7, 8 ns output enable access time
- 288 mW / max @ 10 ns
- 18 mW / max CMOS I/O
I/O8–I/O15
I/O0–I/O7
A0
A1
A2
A3
A4
A5
A6
A7
buffer
I/O
Column decoder
Control circuit
64 K × 16
Array
Alliance Semiconductor
3.3 V 64K X 16 CMOS SRAM
GND
V
CC
-10
10
80
5
5
Pin arrangement
• Easy memory expansion with
• TTL-compatible, three-state I/O
• JEDEC standard packaging
• ESD protection ≥ 2000 volts
• Latch-up current ≥ 200 mA
- 44-pin 400 mil SOJ
- 44-pin TSOP 2-400
-12
®
12
75
6
5
44-Pin SOJ (400 mil), TSOP 2
GND
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
V
A15
A14
A13
A12
WE
NC
CE
A4
A3
A2
A1
A0
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
-15
15
70
7
5
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
Copyright © Alliance Semiconductor. All rights reserved.
OE
A5
A6
A7
UB
LB
I/O15
I/O14
I/O13
I/O12
GND
V
I/O11
I/O10
I/O9
I/O8
NC
A8
A9
A10
A11
NC
CC
CE
AS7C31026B
,
OE
-20
20
65
8
5
P. 1 of 10
inputs
Unit
mA
mA
ns
ns

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as7c31026b Summary of contents

Page 1

... SOJ (400 mil), TSOP GND I/O0 I/O1 I/O2 I/ GND I/O4 I/O5 I/O6 I/O7 WE A15 A14 A13 A12 NC -10 - Alliance Semiconductor AS7C31026B , inputs I/O15 8 37 I/O14 9 36 I/O13 10 35 I/O12 11 34 GND ...

Page 2

... Functional description The AS7C31026B is a high-performance CMOS 1,048,576-bit Static Random Access Memory (SRAM) device organized as 65,536 words × 16 bits designed for memory applications where fast data access, low power, and simple interfacing are desired. Equal address access and cycle times (t AA high-performance applications ...

Page 3

... V, CC ≤ 0 – 5 – –0 Min – 0.4 – Min 2.4 – 2 NOMINAL) CC Signals C A, CE, WE, OE, LB I/O I/O Alliance Semiconductor AS7C31026B Nominal Max Unit 3.3 3.6 V – 0 – 0 – – 85 -12 -15 -20 Min Max Min Max 1 – ...

Page 4

... BHZ t – 5 – 6 OHZ t 0 – 0 – – 10 – Falling input 3,6,7 Data valid Alliance Semiconductor AS7C31026B -15 -20 Min Max Min Max Unit Notes 15 – 20 – ns – 15 – – 15 – – 7 – – 3 – ...

Page 5

... – 6 – – 0 – – 5 – – 1 – – 8 – BW Alliance Semiconductor AS7C31026B OHZ BHZ Data valid -15 -20 Max Unit 15 – 20 – – 12 – – 12 – – 0 – – ...

Page 6

... Z 3/26/04, v 1.3 ® 10, Data valid t WZ Data undefined 10, Data undefined Alliance Semiconductor AS7C31026B high Data valid t OW high ...

Page 7

... All write cycle timings are referenced from the last valid address to the first transitioning address. 12 Not applicable pF, except all high Z and low Z parameters where pF. 3/26/04, v 1.3 ® required to meet I specification Alliance Semiconductor AS7C31026B Thevenin Equivalent: 168 Ω D +1.728 V OUT +3.3 V 320 Ω D OUT 255 Ω ...

Page 8

... 44-pin SOJ Pin Seating b plane 3/26/04, v 1.3 ® 0–5° Alliance Semiconductor AS7C31026B 44-pin TSOP 2 Min Max (mm) (mm) A 1.2 A1 0.05 0.15 A2 0.95 1.05 b 0.45 0.30 c 0.120 0.21 D 18.31 18.52 E 10.06 10.26 He 11.68 11.94 e 0.80 (typical) l 0.40 0.60 44-pin SOJ 400 mil Min (in) Max (in ...

Page 9

... Ordering codes Package\Access time Volt/Temp 3.3 V commercial AS7C31026B-10JC Plastic SOJ, 400 mil 3.3 V industrial 3.3 V commercial AS7C31026B-10TC AS7C31026B-12TC AS7C31026B-15TC AS7C31026B-20TC TSOP 2, 10.2 x 18.4 mm 3.3 V industrial Note: Add suffix ‘N’ to the above part number for lead free parts (Ex. Part numbering system AS7C X 1026B Voltage: SRAM ...

Page 10

... Alliance products in such life-supporting systems implies that the manufacturer assumes all risk of such use and agrees to indemnify Alliance against all claims arising from such use. ® Copyright © Alliance Semiconductor All Rights Reserved Part Number: AS7C31026B Document Version: v 1.3 AS7C31026B ...

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