IDT88P8344 Integrated Device Technology, IDT88P8344 Datasheet - Page 86

• Manufacturer Part Number: IDT88P8344
• Description: Spi Exchange 4 X Spi-3 To Spi-4 Issue 1.0
• Manufacturer: Integrated Device Technology

Write cycle specification Motorola non-multiplexed (MPM=0)
IDT88P8344 SPI EXCHANGE 4 x SPI-3 TO SPI-4
Symbol
T
t
t
t
t
t
t
t
t
tRecovery Recovery time from write cycle
WC
DW
RWH
AV
AH
DV
DHW
RWV
Write DBUS[7:0]
DSB + CSB
Parameter
Internal main clock period (MCLK)
Write cycle time
Valid DSB width
Delay from DSB to valid write signal
R/WB to DSB hold time
Delay from DSB to Valid Address
Address to DSB hold time
Delay from DSB to valid write data
Write data to DSB hold time
ADD[5:0]
R/WB
Figure 38. Microprocessor parallel port Motorola write timing diagram
2.5T+17
2.5T+12
2.5T+12
2.5T+12
2.5T+12
MIN
80
5
T/2-4
T/2-4
T/2-4
MAX
100
t
WC
86
t
t
RWV
DV
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
AV
t
Valid Address
DW
t
DHW
t
AH
Valid Data
t
RWH
INDUSTRIAL TEMPERATURE RANGE
t
Recovery
6370 drw08
APRIL 10, 2006