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GS88036AT-225I PDF даташит

Спецификация GS88036AT-225I изготовлена ​​​​«ETC» и имеет функцию, называемую «512K x 18/ 256K x 32/ 256K x 36 9Mb Sync Burst SRAMs».

Детали детали

Номер произв GS88036AT-225I
Описание 512K x 18/ 256K x 32/ 256K x 36 9Mb Sync Burst SRAMs
Производители ETC
логотип ETC логотип 

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GS88036AT-225I Даташит, Описание, Даташиты
100-Pin TQFP
Commercial Temp
Industrial Temp
GS88018/32/36AT-250/225/200/166/150/133
512K x 18, 256K x 32, 256K x 36 250 MHz133 MHz
9Mb Sync Burst SRAMs
2.5 V or 3.3 V VDD
2.5 V or 3.3 V I/O
Features
• FT pin for user-configurable flow through or pipeline
operation
• Single Cycle Deselect (SCD) operation
• 2.5 V or 3.3 V +10%/–10% core power supply
• 2.5 V or 3.3 V I/O supply
• LBO pin for Linear or Interleaved Burst mode
• Internal input resistors on mode pins allow floating mode pins
• Default to Interleaved Pipeline mode
• Byte Write (BW) and/or Global Write (GW) operation
• Internal self-timed write cycle
• Automatic power-down for portable applications
• JEDEC-standard 100-lead TQFP package
Pipeline
3-1-1-1
tKQ
tCycle
-250 -225 -200 -166 -150 -133 Unit
2.5 2.7 3.0 3.4 3.8 4.0 ns
4.0 4.4 5.0 6.0 6.7 7.5 ns
3.3 V
Curr (x18) 280 255 230 200 185 165 mA
Curr (x32/x36) 330 300 270 230 215 190 mA
2.5 V
Curr (x18) 275 250 230 195 180 165 mA
Curr (x32/x36) 320 295 265 225 210 185 mA
Flow
Through
2-1-1-1
tKQ
tCycle
5.5 6.0 6.5 7.0 7.5 8.5 ns
5.5 6.0 6.5 7.0 7.5 8.5 ns
3.3 V
2.5 V
Curr (x18) 175 165 160 150 145 135 mA
Curr (x32/x36) 200 190 180 170 165 150 mA
Curr (x18) 175 165 160 150 145 135 mA
Curr (x32/x36) 200 190 180 170 165 150 mA
Functional Description
Applications
The GS88018/32/36AT is a 9,437,184-bit (8,388,608-bit for
x32 version) high performance synchronous SRAM with a
2-bit burst address counter. Although of a type originally
developed for Level 2 Cache applications supporting high
performance CPUs, the device now finds application in
synchronous SRAM applications, ranging from DSP main
store to networking chip set support.
Controls
Addresses, data I/Os, chip enables (E1, E2, E3), address burst
control inputs (ADSP, ADSC, ADV), and write control inputs
(Bx, BW, GW) are synchronous and are controlled by a
positive-edge-triggered clock input (CK). Output enable (G)
and power down control (ZZ) are asynchronous inputs. Burst
cycles can be initiated with either ADSP or ADSC inputs. In
Burst mode, subsequent burst addresses are generated
internally and are controlled by ADV. The burst address
counter may be configured to count in either linear or
interleave order with the Linear Burst Order (LBO) input. The
Burst function need not be used. New addresses can be loaded
on every cycle with no degradation of chip performance.
Flow Through/Pipeline Reads
The function of the Data Output register can be controlled by
the user via the FT mode pin (Pin 14). Holding the FT mode pin
low places the RAM in Flow Through mode, causing output
data to bypass the Data Output Register. Holding FT high
places the RAM in Pipeline mode, activating the rising-edge-
triggered Data Output Register.
SCD Pipelined Reads
The GS88018/32/36AT is a SCD (Single Cycle Deselect)
pipelined synchronous SRAM. DCD (Dual Cycle Deselect)
versions are also available. SCD SRAMs pipeline deselect
commands one stage less than read commands. SCD RAMs
begin turning off their outputs immediately after the deselect
command has been captured in the input registers.
Byte Write and Global Write
Byte write operation is performed by using Byte Write enable
(BW) input combined with one or more individual byte write
signals (Bx). In addition, Global Write (GW) is available for
writing all bytes at one time, regardless of the Byte Write
control inputs.
Sleep Mode
Low power (Sleep mode) is attained through the assertion
(High) of the ZZ signal, or by stopping the clock (CK).
Memory data is retained during Sleep mode.
Core and Interface Voltages
The GS88018/32/36AT operates on a 2.5 V or 3.3 V power
supply. All input are 3.3 V and 2.5 V compatible. Separate
output power (VDDQ) pins are used to decouple output noise
from the internal circuits and are 3.3 V and 2.5 V compatible.
Rev: 1.02 9/2002
1/26
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2001, Giga Semiconductor, Inc.









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GS88036AT-225I Даташит, Описание, Даташиты
GS88018A 100-Pin TQFP Pinout
GS88018/32/36AT-250/225/200/166/150/133
NC
NC
NC
VDDQ
VSS
NC
NC
DQB1
DQB2
VSS
VDDQ
DQB3
DQB4
FT
VDD
NC
VSS
DQB5
DQB6
VDDQ
VSS
DQB7
DQB8
DQB9
NC
VSS
VDDQ
NC
NC
NC
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
1 80
2 79
3 78
4 77
5 76
6 75
7 74
8 73
9 512K x 18
10
11 Top View
72
71
70
12 69
13 68
14 67
15 66
16 65
17 64
18 63
19 62
20 61
21 60
22 59
23 58
24 57
25 56
26 55
27 54
28 53
29 52
30 51
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
A18
NC
NC
VDDQ
VSS
NC
DQA9
DQA8
DQA7
VSS
VDDQ
DQA6
DQA5
VSS
NC
VDD
ZZ
DQA4
DQA3
VDDQ
VSS
DQA2
DQA1
NC
NC
VSS
VDDQ
NC
NC
NC
Rev: 1.02 9/2002
2/26
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2001, Giga Semiconductor, Inc.









No Preview Available !

GS88036AT-225I Даташит, Описание, Даташиты
GS88032A 100-Pin TQFP Pinout
GS88018/32/36AT-250/225/200/166/150/133
NC
DQC8
DQC7
VDDQ
VSS
DQC6
DQC5
DQC4
DQC3
VSS
VDDQ
DQC2
DQC1
FT
VDD
NC
VSS
DQD1
DQD2
VDDQ
VSS
DQD3
DQD4
DQD5
DQD6
VSS
VDDQ
DQD7
DQD8
NC
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
1 80
2 79
3 78
4 77
5 76
6 75
7 74
8 73
9 256K x 32
10
11 Top View
72
71
70
12 69
13 68
14 67
15 66
16 65
17 64
18 63
19 62
20 61
21 60
22 59
23 58
24 57
25 56
26 55
27 54
28 53
29 52
30 51
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
NC
DQB8
DQB7
VDDQ
VSS
DQB6
DQB5
DQB4
DQB3
VSS
VDDQ
DQB2
DQB1
VSS
NC
VDD
ZZ
DQA1
DQA2
VDDQ
VSS
DQA3
DQA4
DQA5
DQA6
VSS
VDDQ
DQA7
DQA8
NC
Rev: 1.02 9/2002
3/26
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2001, Giga Semiconductor, Inc.










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