參數(shù)資料
型號(hào): X28C64(中文)
英文描述: 5 Volt, Byte Alterable EEPROM(5V,字節(jié)可改變的EEPROM)
中文描述: 5伏,可變字節(jié)的EEPROM(5V的,字節(jié)可改變的EEPROM中)
文件頁(yè)數(shù): 6/11頁(yè)
文件大?。?/td> 141K
代理商: X28C64(中文)
==99-12-15==
P&S
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μ :
ot±±ooêD×μèa· 15o
D :
ooêD70020D
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430079
μ°:
( 86) ( 027£87493500 87493506
( 86) ( 027) 87491166, 87493497
P &S
í í :
http://www.p8s.com
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WAVEFORM
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X68C64
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2
PROM
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Block Protect
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SDP
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INPUTS
OUTPUTS
Must be
steady
Will be
steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Will change
from LOW
to HIGH
Will change
from HIGH
to LOW
Don t Care:
Changes
Allowed
N/A
Changing:
State Not
Known
Center Line
is High
Impedance
WRITE AA
TO X555
WRITE 55
TO XAAA
WRITE A0
TO X555
PERFORM BYTE
OR PAGE WRITE
OPERATIONS
WAIT tWC
EXIT ROUTINE
X = A
12
:
A
12
= 1 IF DATA TO BE WRITTEN IS WITHIN
ADDRESS 1000 TO 1FFF.
A
12
= 0 IF DATA TO BE WRITTEN IS WITHIN
ADDRESS 0000 TO 0FFF.
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