參數(shù)資料
型號: S-29291A
廠商: Seiko Instruments Inc.
英文描述: 128-Word x 16-Bit CMOS Serial EEPROM(2K位CMOS串行EEPROM)
中文描述: 128字× 16位的CMOS串行EEPROM(2K位的CMOS串行EEPROM的)
文件頁數(shù): 6/44頁
文件大?。?/td> 213K
代理商: S-29291A
CMOS SERIAL E2PROM
S-29X91A Series
Seiko Instruments Inc.
5
AC Electrical Characteristics
Table 9 Measuring conditions
Input pulse voltage
Output reference voltage
Output load
0.1 x V
CC
to 0.9-x V
CC
0.5 x V
CC
100pF
V
CC
=4.5 to 6.5V
Min.
Typ.
0.2
0.2
0.2
0.2
0.2
V
CC
=2.5 to 4.5 V
Min.
Typ.
0.4
0.4
0.2
0.4
0.4
V
CC
=1.8 to 2.5V
Min.
Typ.
1.0
1.0
0.4
0.8
0.8
Parameter
Smbl
Max.
Max.
Max.
Unit
CS setup time
CS hold time
CS deselect time
Data setup time
Data hold time
Output delay time
Clock frequency
Clock pulse width
t
CSS
t
CSH
t
CDS
t
DS
t
DH
t
PD
f
SK
t
SKH
t
SKL
t
HZ1
t
HZ2
t
SV
t
PR
s
s
s
s
s
s
0.4
2.0
1.0
0.5
2.0
0.25
0
0
MHz
0.25
1.0
2.0
s
Output disable time
0
0.15
0
0.5
0
1.0
s
Output enable time
Programming time
0
0.15
10.0
0
0.5
10.0
0
1.0
s
4.0
4.0
ms
Table 10
Figure 3 Timing Chart
t
SKH
t
CDS
t
CSS
CS
Valid data
Valid data
DI
t
SKL
SK
t
SV
t
HZ2
t
CSH
t
HZ1
t
PD
t
DS
t
DH
t
DS
t
DH
Hi-Z
Hi-Z
Hi-Z
DO
DO
(READ)
(VERIFY)
Hi-Z
t
PD
Input data is retrieved on the rising edge of SK.
Output data is triggered on the falling edge of SK.
Figure 4 Timing Chart for t
CSS
and t
CSH
when SK is "H"
t
CSS
SK
CS
t
CSH
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