AS7C34098-15TI Alliance Semiconductor, AS7C34098-15TI Datasheet

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AS7C34098-15TI

Manufacturer Part Number
AS7C34098-15TI
Description
3.3V 256K x 16 CMOS SRAM, access time 15ns
Manufacturer
Alliance Semiconductor
Datasheet

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Part Number:
AS7C34098-15TI
Manufacturer:
ALLIANCE
Quantity:
1 200
Features
• AS7C4098 (5V version)
• AS7C34098 (3.3V version)
• Industrial and commercial temperature
• Organization: 262,144 words × 16 bits
• Center power and ground pins
• High speed
• Low power consumption: ACTIVE
Logic block diagram
Selection guide
Maximum address
access time
Maximum output
enable access time
Maximum operating
current
Maximum CMOS
standby current
March 2001
- 10/12/15/20 ns address access time
- 5/6/7/8 ns output enable access time
- 1375 mW (AS7C4098)/max @ 12 ns
- 468 mW (AS7C34098)/max @ 12 ns
WE
3/23/01; v.1.0
UB
OE
LB
CE
I/O9–I/O16
I/O1–I/O8
A12
A13
A0
A1
A2
A3
A4
A6
A7
A8
buffer
I/O
AS7C34098
AS7C34098
AS7C4098
AS7C4098
1024 × 256 × 16
Column decoder
Control circuit
(4,194,304)
Array
AS7C34098
Alliance Semiconductor
5V/3.3V 256K × 16 CMOS SRAM
–10
160
10
20
5
V
GND
CC
AS7C34098
AS7C4098
• Low power consumption: STANDBY
• Individual byte read/write controls
• 2.0V data retention
• Easy memory expansion with CE, OE inputs
• TTL- and CMOS-compatible, three-state I/O
• 44-pin JEDEC standard packages
• ESD protection
• Latch-up current
Pin arrangement
–12
250
130
12
20
20
6
- 110 mW (AS7C4098)/max CMOS
- 72 mW (AS7C34098)/max CMOS
- 400-mil SOJ
- 400-mil TSOP II
®
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
AS7C34098
GND
AS7C4098
44-pin SOJ, TSOP II (400 mil)
V
WE
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
CE
CC
2000 volts
–15
220
110
15
20
20
7
200 mA
21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22
Copyright © Alliance Semiconductor. All rights reserved.
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
AS7C34098
AS7C4098
A17
A16
A15
OE
UB
LB
I/O16
I/O15
I/O14
I/O13
GND
V
I/O12
I/O11
I/O10
I/O9
NC
A14
A13
A12
A11
A10
–20
180
100
20
20
20
CC
9
P. 1 of 9
AS7C34098
AS7C4098
Unit
mA
mA
mA
mA
ns
ns

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AS7C34098-15TI Summary of contents

Page 1

... Organization: 262,144 words × 16 bits • Center power and ground pins • High speed - 10/12/15/20 ns address access time - 5/6/7/8 ns output enable access time • Low power consumption: ACTIVE - 1375 mW (AS7C4098)/max @ 468 mW (AS7C34098)/max @ 12 ns Logic block diagram 1024 × 256 × ...

Page 2

... LB controls the lower bits, I/O1–I/O8, and UB controls the higher bits, I/O9–I/O16. All chip inputs and outputs are TTL- and CMOS-compatible, and operation is from either a single 5V (AS7C4098) or 3.3V (AS7C34098) supply. Both devices are available in the JEDEC standard 400-mL, 44-pin SOJ and TSOP II packages. Absolute maximum ratings ...

Page 3

... Max AS7C4098 – AS7C34098 – 0mA OUT AS7C4098 – = Max , f = Max AS7C34098 – Max AS7C4098 – – 0.2V AS7C34098 – 0.2V Min – Min 2 NOMINAL) CC Signals A, CE, WE, OE, UB, LB I/O Alliance Semiconductor AS7C4098 AS7C34098 Min Typical Max 4.5 5.0 5.5 (–10) 3 ...

Page 4

... PU t – 10 – Falling input 6,7 6,8 OLZ t ACE BLZ Alliance Semiconductor AS7C4098 AS7C34098 –15 –20 Min Max Min Max Unit Notes 15 – 20 – ns – 15 – – 15 – – 7 – – 3 – ...

Page 5

... Data undefined 10, Data undefined Alliance Semiconductor AS7C4098 AS7C34098 –15 –20 Min Max Min Max Unit 15 – 20 – – 12 – – 12 – – 0 – – 12 – ...

Page 6

... V 2. CDR Thevenin equivalent: D OUT +5V 480W D OUT 255W C(14) GND Figure B: 5V Output load required to meet I specification Alliance Semiconductor AS7C4098 AS7C34098 t AH Data valid t DH High Z Min Max Unit 2.0 – – 500 0 – t – RC – ...

Page 7

... V OL 140 120 (NOMINAL 100 Output voltage (V) Alliance Semiconductor AS7C4098 AS7C34098 , I Normalized supply current vs. ambient temperature T a 625 (NOMINAL 0.2 0.04 –55 –10 35 125 Ambient temperature ( C) Normalized supply current ...

Page 8

... Max(mils) A 0.128 0.148 A1 0.025 - A2 1.105 1.115 B 0.026 0.032 b 0.015 0.020 c 0.007 0.013 D 1.120 1.130 E 0.370 NOM E1 0.395 0.405 E2 0.435 0.445 e 0.050 NOM AS7C4098-15JC AS7C4098-20JC AS7C4098-15JI AS7C4098-20JI AS7C34098-15JC AS7C34098-20JC AS7C34098-15JI AS7C34098-20JI AS7C4098-15TC AS7C4098-20TC AS7C4098-15TI AS7C4098-20TI AS7C34098-15TC AS7C34098-20TC AS7C34098-15TI AS7C34098-20TI ...

Page 9

... 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. ® – Packages: Access time J: SOJ 400 mil T: TSOP II 400 mil Alliance Semiconductor AS7C4098 AS7C34098 X Temperature ranges: C: Commercial, 0°C to 70°C I: Industrial, –40°C to 85° ...

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