DP8344BV National Semiconductor, DP8344BV Datasheet - Page 122

• Manufacturer Part Number: DP8344BV
• Description: IC BIPHASE COMM PROCESSR 84-PLCC
• Manufacturer: National Semiconductor

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

t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
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
Note 2 The maximum value for this parameter is the latest RAE REM-WR can be removed without delaying the remote access by one T-state
SU-RRW-CO
H-RRW-CO
H-RRW-X
SU-CMD-RRW
H-CMD-RRW
PD-RRW-X
SU-RDAT-LCL
H-RDAT-LCL
AZ-AAD-LCL
ZA-LCL-AAD
PD-RRW-WPND
SU-CMD-WPND
H-CMD-WPND
SU-RRWr-CO
PD-X-WPND
Symbol
ID
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
RAE REM-WR Falling before CLK-OUT Rising
RAE REM-WR Rising after CLK-OUT Rising (Note 2)
RAE REM-WR Rising after XACK Rising
CMD Valid before RAE REM-WR Falling
CMD Invalid after RAE REM-WR Falling
RAE REM-WR Falling to XACK Falling
AD (Data) Valid after LCL Rising
AD (Data) Invalid after LCL Rising
A AD Disabled before LCL Rising
A AD Enabled after LCL Falling
RAE REM-WR Rising to WR-PEND Falling
CMD Valid before WR-PEND Rising
CMD Invalid after WR-PEND Rising
RAE REM-WR Rising before CLK-OUT Rising
XACK Rising to WR-PEND Rising
TABLE 5-23 Latched Write of PC RIC (Note 1)
(Continued)
FIGURE 5-23 Latched Write of PC RIC
Parameter
122
Formula
T
T
2T
2T
T
T
T
T
H
H
L
a
a
a
a
a
a
a
a
b
b
Min
24
26
16
20
6
0
0
2
5
4
20
10
b
b
Max
26
34
13
20
30
TL F 9336– 77
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns