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IS93C56A-3PI

更新时间： 2024-02-08 16:05:48

品牌	Logo	应用领域
美国芯成 - ISSI		存储内存集成电路光电二极管可编程只读存储器电动程控只读存储器电可擦编程只读存储器时钟
页数	文件大小	规格书
16页	131K
描述
2K-BIT/4K-BIT SERIAL ELECTRICALLY ERASABLE PROM

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技术参数
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IS93C56A-3PI 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	TSSOP
包装说明：	TSSOP, TSSOP8,.25	针数：	8
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.32.00.51	风险等级：	5.91
Is Samacsys：	N	备用内存宽度：	8
最大时钟频率 (fCLK)：	2 MHz	数据保留时间-最小值：	40
耐久性：	1000000 Write/Erase Cycles	JESD-30 代码：	R-PDSO-G8
JESD-609代码：	e0	长度：	4.4 mm
内存密度：	2048 bit	内存集成电路类型：	EEPROM
内存宽度：	16	湿度敏感等级：	1
功能数量：	1	端子数量：	8
字数：	128 words	字数代码：	128
工作模式：	SYNCHRONOUS	最高工作温度：	85 °C
最低工作温度：	-40 °C	组织：	128X16
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装等效代码：	TSSOP8,.25	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	并行/串行：	SERIAL
峰值回流温度（摄氏度）：	NOT SPECIFIED	电源：	3/5 V
认证状态：	Not Qualified	座面最大高度：	1.2 mm
串行总线类型：	MICROWIRE	最大待机电流：	0.000002 A
子类别：	EEPROMs	最大压摆率：	0.001 mA
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	2.5 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	3 mm
最长写入周期时间 (tWC)：	5 ms	写保护：	SOFTWARE
Base Number Matches：	1

IS93C56A-3PI 数据手册

IS93C56A

IS93C66A

ISSI

Write Enable (WEN)

Write All (WRALL)

The write enable (WEN) instruction must be executed

before any device programming (WRITE, WRALL,

ERASE, and ERAL) can be done. When Vcc is applied,

this device powers up in the write disabled state. The

devicethenremainsinawritedisabledstateuntilaWEN

instruction is executed. Thereafter, the device remains

enabled until a WDS instruction is executed or until Vcc

is removed. (See Figure 4.) (Note: Chip select must

remain LOW until Vcc reaches its operational value.)

The write all (WRALL) instruction programs all registers

withthedatapatternspecifiedintheinstruction.Aswiththe

WRITE instruction, the falling edge of CS must occur to

initiate the self-timed programming cycle. If CS is then

broughtHIGHafteraminimumwaitof200ns(tCS),theDOUT

pin indicates the READY/BUSY status of the chip (see

Figure 6). Vcc is required to be above 4.5V for WRALL to

function properly.

Write Disable (WDS)

Write (WRITE)

The write disable (WDS) instruction disables all programming

capabilities. This protects the entire device against acci-

dental modification of data until a WEN instruction is

executed. (When Vcc is applied, this part powers up in the

write disabled state.) To protect data, a WDS instruction

should be executed upon completion of each programming

operation.

TheWRITEinstructionincludes8or16bitsofdatatobe

written into the specified register. After the last data bit

has been applied to DIN, and before the next rising edge

of SK, CS must be brought LOW. If the device is write-

enabled, then the falling edge of CS initiates the self-

timed programming cycle (see WEN).

IfCSisbroughtHIGH,afteraminimumwaitof200ns(5V

operation) after the falling edge of CS (t^CS) DOUT will

indicatetheREADY/BUSYstatusofthechip.Logical“0”

meansprogrammingisstillinprogress;logical“1”means

the selected register has been written, and the part is

readyforanotherinstruction(seeFigure5).TheREADY/

BUSYstatuswillnotbeavailableif:a)TheCSinputgoes

HIGHaftertheendoftheself-timedprogrammingcycle,

tWP; or b) Simultaneously CS is HIGH, Din is HIGH, and

SK goes HIGH, which clears the status flag.

Erase Register (ERASE)

After the erase instruction is entered, CS must be brought

LOW.ThefallingedgeofCSinitiatestheself-timedinternal

programming cycle. Bringing CS HIGH after a minimum of

tCS, will cause DOUT to indicate the READ/BUSY status of the

chip:alogical“0”indicatesprogrammingisstillinprogress;

a logical “1” indicates the erase cycle is complete and the

part is ready for another instruction (see Figure 8).

Erase All (ERAL)

Fullchiperaseisprovidedforeaseofprogramming.Erasing

the entire chip involves setting all bits in the entire memory

array to a logical “1” (see Figure 9). Vcc is required to be

above 4.5V for ERALL to function properly.

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

Rev. A

05/02/06

1 234 5 6 7...16

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