54
IDT82V2048 OCTAL T1/E1 SHORT HAUL LINE INTERFACE UNIT INDUSTRIAL TEMPERATURE RANGES
PARALLEL HOST INTERFACE TIMING CHARACTERISTICS
INTEL MODE READ TIMING CHARACTERISTICS
Symbol Parameter Min Typ Max Unit Comments
t1 Active RD Pulse Width 90 ns
(1)
1.
The t1 is determined by the start time of the valid data when the RDY signal is not used.
t2 Active CS to Active RD Setup Time 0 ns
t3 Inactive RD to Inactive CS Hold Time 0 ns
t4 Valid Address to Inactive ALE Setup Time (in Multiplexed Mode) 5 ns
t5 Invalid RD to Address Hold Time (in Non-Multiplexed Mode) 0 ns
t6 Active RD to Data Output Enable Time 7.5 15 ns
t7 Inactive RD to Data High-Z Delay Time 7.5 15 ns
t8 Active CS to RDY delay time 6 12 ns
t9 Inactive CS to RDY High-Z Delay Time 6 12 ns
t10 Inactive RD to Inactive INT Delay Time 20 ns
t11 Address Latch Enable Pulse Width (in Multiplexed Mode) 10 ns
t12 Address Latch Enable to RD Setup Time (in Multiplexed Mode) 0 ns
t13 Address Setup time to Valid Data Time (in Non-Multiplexed Mode) 18 32 ns
t14 Inactive RD to Active RDY Delay Time 10 15 ns
t15 Active RD to Active RDY Delay Time 30 85 ns
t16 Inactive ALE to Address Hold Time (in Multiplexed Mode) 5 ns
