USBN9604-28M National Semiconductor, USBN9604-28M Datasheet - Page 58

• Manufacturer Part Number: USBN9604-28M
• Description: Special Function IC
• Manufacturer: National Semiconductor

Specifications of USBN9604-28M

• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Mounting Type: Surface Mount
• Package / Case: 28-WSOIC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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8.0 Device Characteristics
8.7 MICROWIRE INTERFACE TIMING (MODE1-0 = 10
8.8 RESET TIMING)
Symbol
Symbol
RESET
CS
SK
SI
SO
Note: The first eight SKs shift out the current contents of the Shift register.
t
t
t
t
1. Memory Clock: MCLK = CKI/4 = 12 MHz
t
SKC
SOV
RST
SIH
CC
SK Cycle Time
Time between two consecutive
8 clock cycles
Serial Input Hold Time
Serial Output Valid Time
RESET pulse width
MSB
MSB
t
RST
Parameter
Parameter
1
1
6
t
6
SIH
Figure 31. MICROWIRE Interface Timing
(Continued)
5
5
4
4
t
SOV
C
C
C
C
Condition
Condition
L
L
L
L
= 50 pF
= 50 pF
= 50 pF
= 50 pF
t
SKC
B
3
)
3
58
2
2
8/MCLK
4/MCLK
3/MCLK
Min
Min
10
1
1
LSB
LSB
Typ
Typ
t
CC
MSB
MSB
3/MCLK
Max
Max
6
6
Units
Units
nS
nS
nS
nS
nS