GS8322Z18B-250T

更新时间： 2024-02-08 06:05:23

品牌	Logo	应用领域
GSI		静态存储器
页数	文件大小	规格书
38页	756K
描述
36Mb Pipelined and Flow Through Synchronous NBT SRAM

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数据手册

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GS8322Z18B-250T 数据手册

GS8322Z18(B/E)/GS8322Z36(B/E)/GS8322Z72(C)

250 MHz–133 MHz 2.5

119, 165 & 209 BGA

Commercial Temp

Industrial Temp

36Mb Pipelined and Flow Through

Synchronous NBT SRAM

V or 3.3 V V

2.5 V or 3.3 V I/O

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.

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

• ZQ mode pin for user-selectable high/low output drive

• IEEE 1149.1 JTAG-compatible Boundary Scan

• LBO pin for Linear or Interleave Burst mode

• Pin-compatible with 2Mb, 4Mb, 8Mb, and 16Mb devices

• Byte write operation (9-bit Bytes)

The GS8322Z18/36/72 may be configured by the user to

operate in Pipeline or Flow Through mode. Operating as a

pipelined synchronous device, 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.

• 3 chip enable signals for easy depth expansion

• ZZ Pin for automatic power-down

• JEDEC-standard 119-, 165- or 209-Bump BGA package

Functional Description

The GS8322Z18/36/72 is a 36Mbit 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.

The GS8322Z18/36/72 is implemented with GSI's high

performance CMOS technology and is available in a JEDEC-

standard 119-bump, 165-bump or 209-bump BGA package.

Parameter Synopsis

-250 -225 -200 -166 -150 -133 Unit

(x18/x36)

2.5 2.7 3.0 3.5 3.8 4.0 ns

3.0 3.0 3.0 3.5 3.8 4.0 ns

4.0 4.4 5.0 6.0 6.7 7.5 ns

(x72)

Pipeline

3-1-1-1

tCycle

Curr (x18)

Curr (x36)

Curr (x72)

285 265 245 220 210 185 mA

350 320 295 260 240 215 mA

440 410 370 320 300 265 mA

6.5 7.0 7.5 8.0 8.5 8.5 ns

Flow

tCycle

Through

2-1-1-1

Curr (x18)

Curr (x36)

Curr (x72)

205 195 185 175 165 155 mA

235 225 210 200 190 175 mA

315 295 265 255 240 230 mA

Rev: 11/1/04

1/38

Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.

12 3 4 5 6 7...38

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与GS8322Z18B-250T相关器件

型号	品牌	获取价格	描述	数据表
GS8322Z18B-250V	GSI	获取价格	36Mb Pipelined and Flow Through Synchronous NBT SRAM
GS8322Z18B-250VT	GSI	获取价格	ZBT SRAM, 2MX18, 6.5ns, CMOS, PBGA119, 14 X 22 MM, 1.27 MM PITCH, FPBGA-119
GS8322Z18B-V	GSI	获取价格	36Mb Pipelined and Flow Through Synchronous NBT SRAM
GS8322Z18C-150T	GSI	获取价格	ZBT SRAM, 2MX18, 10ns, CMOS, PBGA209, 14 X 22 MM, 1 MM PITCH, BGA-209
GS8322Z18C-200IT	GSI	获取价格	ZBT SRAM, 2MX18, 7.5ns, CMOS, PBGA209, 14 X 22 MM, 1 MM PITCH, BGA-209
GS8322Z18E-133	GSI	获取价格	36Mb Pipelined and Flow Through Synchronous NBT SRAM
GS8322Z18E-133I	GSI	获取价格	36Mb Pipelined and Flow Through Synchronous NBT SRAM
GS8322Z18E-133IT	GSI	获取价格	36Mb Pipelined and Flow Through Synchronous NBT SRAM
GS8322Z18E-133IV	GSI	获取价格	36Mb Pipelined and Flow Through Synchronous NBT SRAM
GS8322Z18E-133IVT	GSI	获取价格	ZBT SRAM, 2MX18, 8.5ns, CMOS, PBGA165, 15 X 17 MM, 1 MM PITCH, FPBGA-165

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