DP8344BV National Semiconductor, DP8344BV Datasheet - Page 99
DP8344BV
Manufacturer Part Number
DP8344BV
Description
IC BIPHASE COMM PROCESSR 84-PLCC
Manufacturer
National Semiconductor
Datasheet
1.DP8344BV.pdf
(184 pages)
Specifications of DP8344BV
Processor Type
8-Bit RISC
Speed
20MHz
Voltage
4.5 ~ 5.5V
Mounting Type
Surface Mount
Package / Case
84-PLCC
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
Mounting
Surface Mount
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-
Lead Free Status / Rohs Status
Not Compliant
Other names
*DP8344BV
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DP8344BV
Manufacturer:
NSC
Quantity:
5 510
Part Number:
DP8344BV
Manufacturer:
NS/国半
Quantity:
20 000
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t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
W-ALE
PD-AAD-ALE
PD-ALE-AD
H-RD-DATA
AZ-RD-AD
AZ-AD-RD
SU-RD-DATA
SU-RD-DATA
ZA-RD-AD
PD-AAD-RD
PD-AAD-RD
W-RD
W-RD
ACC-D
ACC-D
SU-AD-DATA
SU-AD-DATA
PD-ALE-AAD
PD-RD-A
5 0 Device Specifications
Note 1 All parameters are individually tested and guaranteed Interpreting this data by numerically adding two or more parameters to create a new timing
specification may lead to invalid results
Symbol
ID
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
ALE High
A AD (Data Address) Valid to ALE Falling
ALE Falling to AD (Data Address) Invalid
Data Valid after READ Rising
READ Falling to AD Disabled ( 4TR
AD Disabled before READ Falling ( 4TR
READ Falling to AD (Data) Setup ( 4TR
READ Falling to AD (Data) Setup ( 4TR
READ Rising to AD Enabled
A AD (Data Address) Valid before READ Falling
( 4TR
A AD (Data Address) Valid before READ Falling
( 4TR
READ Low ( 4TR
READ Low ( 4TR
Data Memory Read Time ( 4TR )
Data Memory Read Time ( 4TR )
AD Disabled to AD (Data) Setup ( 4TR
AD Disabled to AD (Data) Setup ( 4TR
ALE Rising to A AD (Data Address) Valid
READ Rising to A Invalid
e
e
0)
1)
e
e
Parameter
TABLE 5-3 Data Memory Read Timing (Note 1)
0)
1)
FIGURE 5-3 Data Memory Read Timing
(Continued)
(a) Read Timing with ( 4TR
(b) Read Timing with ( 4TR
e
e
0)
1)
e
0)
e
e
e
e
e
0)
1)
99
0)
1)
1)
(MAX(n
(MAX(n
(MAX(n
(MAX(n
(MAX(n
(MAX(n
(MAX(n
(MAX(n
e
e
DW
DW
DW
DW
0)
1)
DW
DW
b
b
b
(n
n
DW
DW
IW
1 n
1 n
n
1 n
(n
RW
b
Formula
T
IW
b
a
RW
T
T
2T
T
T
n
n
1 n
T
IW
IW
IW
a
H
H
H
L
IW
b
IW
1)
T
a
a
a
a
a
)T
a
b
b
b
IW
1)T
L
1)
b
b
a
a
a
1)
1)
1)
b
a
1)
1)
1)T
a
a
a
a
1)
2)T
a
a
a
1)T
1)T
3)T
a
1)T
1)T
a
2)T
a
a
a
T
a
a
L
T
T
T
a
a
TL F 9336 – 52
L
L
L
a
a
a
TL F 9336 – H7
b
b
b
b
b
b
b
b
b
Min
b
b
0
0
10
22
20
27
27
10
10
33
33
2
2
b
b
b
b
Max
12
20
10
10
24
22
21
40
40
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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