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IS41C16257-35K

更新时间： 2024-09-29 22:48:03

品牌	Logo	应用领域
美国芯成 - ISSI		/
页数	文件大小	规格书
17页	164K
描述
256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE

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替代型号

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IS41C16257-35K 数据手册

IS41C16257

IS41LV16257

256K x 16 (4-MBIT) DYNAMIC RAM

WITH FAST PAGE MODE

ISSI

MAY 1999

DESCRIPTION

FEATURES

The ISSI IS41C16257 and the IS41LV16257 are 262,144

x16-bithigh-performanceCMOSDynamicRandomAccess

Memories. Fast Page Mode allows 512 random accesses

within a single row with access cycle time as short as 12 ns

per 16-bit word. The Byte Write control, of upper and lower

byte, makes these devices ideal for use in 16- and 32-bit

wide data bus systems.

• Fast access and cycle time

• TTL compatible inputs and outputs

• Refresh Interval: 512 cycles/8 ms

•

Refresh Mode: RAS-Only, CAS-before-RAS (CBR),

and Hidden

• JEDEC standard pinout

ThesefeaturesmaketheIS41C16257andtheIS41LV16257

ideally suited for high band-width graphics, digital signal

processing, high-performance computing systems, and

peripheral applications.

• Single power supply:

-- 5V ± 10% (IS41C16257)

-- 3.3V ± 10% (IS41LV16257)

• Byte Write and Byte Read operation via two CAS

• Industrial temperature available

The IS41C16257 and the IS41LV16257 are packaged in a

40-pin, 400-mil SOJ and TSOP (Type II).

KEY TIMING PARAMETERS

Parameter

-35

-60

Unit

Max. RAS Access Time (tRAC)

Max. CAS Access Time (tCAC)

Max. Column Address Access Time (tAA)

Min. Fast Page Mode Cycle Time (tPC)

Min. Read/Write Cycle Time (tRC)

110

ISSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any errors which

Integrated Silicon Solution, Inc. — 1-800-379-4774

DR004-1B

05/24/99

12 3 4 5 6 7...17

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IS41C16257-35K 替代型号

型号	品牌	替代类型	描述	数据表
IS41C16257-35KLI	ISSI	功能相似	Fast Page DRAM, 256KX16, 35ns, CMOS, PDSO40, 0.400 INCH, LEAD FREE, MS-027, PLASTIC, SOJ-4

与IS41C16257-35K相关器件

型号	品牌	获取价格	描述	数据表
IS41C16257-35KI	ISSI	获取价格	256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE
IS41C16257-35KLI	ISSI	获取价格	Fast Page DRAM, 256KX16, 35ns, CMOS, PDSO40, 0.400 INCH, LEAD FREE, MS-027, PLASTIC, SOJ-4
IS41C16257-35T	ISSI	获取价格	256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE
IS41C16257-35TI	ISSI	获取价格	256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE
IS41C16257-35TLI	ISSI	获取价格	Fast Page DRAM, 256KX16, 35ns, CMOS, PDSO40, 0.400 INCH, LEAD FREE, PLASTIC, TSOP2-44/40
IS41C16257-40K	ETC	获取价格	x16 Fast Page Mode DRAM
IS41C16257-40T	ETC	获取价格	x16 Fast Page Mode DRAM
IS41C16257-45K	ETC	获取价格	x16 Fast Page Mode DRAM
IS41C16257-45KI	ETC	获取价格	x16 Fast Page Mode DRAM
IS41C16257-45KL	ISSI	获取价格	Fast Page DRAM, 256KX16, 60ns, CMOS, PDSO40, 0.400 INCH, LEAD FREE, MS-027, PLASTIC, SOJ-4