![](http://datasheet.mmic.net.cn/330000/L29C520_datasheet_16421226/L29C520_3.png)
DEVICES INCORPORATED
L29C520/521
4 x 8-bit Multilevel Pipeline Register
Pipeline Registers
08/02/2000–LDS.520/1-P
3
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
1234567890123456789012345678901212345678901234
L29C520/521–
22
Symbol
t
PD
Parameter
Clock to Output Delay
Min
Max
22
t
SEL
Select to Output Delay
20
t
PW
Clock Pulse Width
10
t
SI
Instruction Setup Time
10
t
HI
Instruction Hold Time
3
t
SD
Data Setup Time
10
t
HD
Data Hold Time
3
t
ENA
Three-State Output Enable Delay
(Note 11)
21
t
DIS
Three-State Output Disable Delay
(Note 11)
15
C
OMMERCIAL
O
PERATING
R
ANGE
(0°C to +70°C)
Notes 9, 10 (ns)
SWITCHING CHARACTERISTICS
Symbol
t
PD
Parameter
Clock to Output Delay
t
SEL
Select to Output Delay
t
PW
Clock Pulse Width
t
SI
Instruction Setup Time
t
HI
Instruction Hold Time
t
SD
Data Setup Time
t
HD
Data Hold Time
t
ENA
Three-State Output Enable Delay
(Note 11)
t
DIS
Three-State Output Disable Delay
(Note 11)
M
ILITARY
O
PERATING
R
ANGE
(–55°C to +125°C)
Notes 9, 10 (ns)
S
WITCHING
W
AVEFORMS
HIGH IMPEDANCE
t
ENA
t
DIS
t
PW
t
SI
t
SD
D
7-0
CLK
OE
t
PD
t
HD
t
HI
t
PW
t
SEL
I
1-0
S
1-0
Y
7-0
1234567890123456789
1234567890123456789