IDT88P8344BHI IDT, Integrated Device Technology Inc, IDT88P8344BHI Datasheet - Page 88

• Manufacturer Part Number: IDT88P8344BHI
• Description: IC SPI3-SPI4 EXCHANGE 820-PBGA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT88P8344BHI

• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 88P8344BHI

Write cycle specification Intel non-multiplexed bus (MPM=1)
NOTE
1. RDB should be tied to a logic one.
TABLE 141 – MICROPROCESSOR PARALLEL PORT INTEL MODE WRITE TIMING
IDT88P8344 SPI EXCHANGE 4 x SPI-3 TO SPI-4
Symbol
T
t
t
t
t
t
t
tRecovery Recovery time from read cycle
WC
WRW
AV
AH
DV
DHW
:
Write DBUS[7:0]
Parameter
Internal main clock period (MCLK)
Write cycle time
Valid WRB width
Delay from WRB to Valid Address
Address to WRB hold time
Delay from WRB to valid write data
Write data to WRB hold time
WRB + CSB
ADD[5:0]
Figure 40. Microprocessor parallel port Intel mode write timing diagram
2.5T+19
2.5T+14
2.5T+12
2.5T+12
MIN
80
5
T/2-2
T/2-2
MAX
100
88
t
WC
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
t
AV
t
DV
t
WRW
Valid Address
INDUSTRIAL TEMPERATURE RANGE
t
DHW
t
AH
t
Recovery
APRIL 10, 2006
6370 drw10