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GS8160Z18DGT-375 Datasheet Preview

GS8160Z18DGT-375 Datasheet

Synchronous NBT SRAM

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GS8160Z18/36DGT-400/375/333/250/200/150
100-Pin TQFP
Commercial Temp
Industrial Temp
18Mb Pipelined and Flow Through
Synchronous NBT SRAMs
400 MHz150 MHz
2.5 V or 3.3 V VDD
2.5 V or 3.3 V I/O
Features
• NBT (No Bus Turn Around) functionality allows zero wait
read-write-read bus utilization; Fully pin-compatible with
both pipelined and flow through NtRAM™, NoBL™ and
ZBT™ SRAMs
• 2.5 V or 3.3 V +10%/10% core power supply
• 2.5 V or 3.3 V I/O supply
• User-configurable Pipeline and Flow Through mode
• LBO pin for Linear or Interleave Burst mode
• Pin compatible with 2Mb, 4Mb, 8Mb, 36Mb, 72Mb and
144Mb devices
• Byte write operation (9-bit Bytes)
• 3 chip enable signals for easy depth expansion
• ZZ Pin for automatic power-down
• RoHS-compliant 100-lead TQFP package available
Functional Description
The GS8160Z18/36DGT is an 18Mbit Synchronous Static
SRAM. GSI's NBT SRAMs, like ZBT, NtRAM, NoBL or
other pipelined read/double late write or flow through read/
single late write SRAMs, allow utilization of all available bus
bandwidth by eliminating the need to insert deselect cycles
when the device is switched from read to write cycles.
Because it is a synchronous device, address, data inputs, and
read/ write control inputs are captured on the rising edge of the
input clock. Burst order control (LBO) must be tied to a power
rail for proper operation. Asynchronous inputs include the
Sleep mode enable (ZZ) and Output Enable. Output Enable can
be used to override the synchronous control of the output
drivers and turn the RAM's output drivers off at any time.
Write cycles are internally self-timed and initiated by the rising
edge of the clock input. This feature eliminates complex off-
chip write pulse generation required by asynchronous SRAMs
and simplifies input signal timing.
The GS8160Z18/36DGT may be configured by the user to
operate in Pipeline or Flow Through mode. Operating as a
pipelined synchronous device, meaning that in addition to the
rising edge triggered registers that capture input signals, the
device incorporates a rising-edge-triggered output register. For
read cycles, pipelined SRAM output data is temporarily stored
by the edge triggered output register during the access cycle
and then released to the output drivers at the next rising edge of
clock.
Parameter Synopsis
Pipeline
3-1-1-1
Flow
Through
2-1-1-1
tKQ
tCycle
Curr (x18)
Curr (x36)
tKQ
tCycle
Curr (x18)
Curr (x36)
-400 -375 -333 -250 -200 -150 Unit
2.5 2.5 2.5 2.5 3.0 3.8 ns
2.5 2.66 3.3 4.0 5.0 6.7 ns
370 350 310 250 210 185 mA
430 410 365 290 240 200 mA
4.0 4.2 4.5 5.5 6.5 7.5 ns
4.0 4.2 4.5 5.5 6.5 7.5 ns
275 265 255 220 205 190 mA
315 300 285 250 225 205 mA
Rev: 1.03b 9/2013
1/23
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2011, GSI Technology




GSI Technology

GS8160Z18DGT-375 Datasheet Preview

GS8160Z18DGT-375 Datasheet

Synchronous NBT SRAM

No Preview Available !

GS8160Z18/36DGT-400/375/333/250/200/150
GS8160Z18D Pinout
NC
NC
NC
VDDQ
VSS
NC
NC
DQB
DQB
VSS
VDDQ
DQB
DQB
FT
VDD
NC
VSS
DQB
DQB
VDDQ
VSS
DQB
DQB
DQPB
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
10
1M x 18
72
71
11
Top View
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
A
NC
NC
VDDQ
VSS
NC
DQPA
DQA
DQA
VSS
VDDQ
DQA
DQA
VSS
NC
VDD
ZZ
DQA
DQA
VDDQ
VSS
DQA
DQA
NC
NC
VSS
VDDQ
NC
NC
NC
Rev: 1.03b 9/2013
2/23
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2011, GSI Technology



Part Number GS8160Z18DGT-375
Description Synchronous NBT SRAM
Maker GSI Technology
Total Page 3 Pages
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