9
COMMERCIALTEMPERATURERANGE
IDT723623/723633/723643 BUS-MATCHING SyncFIFO
256 x 36, 512 x 36, 1,024 x 36
tA
Access Time, CLKA
↑ toA0-A35andCLKB↑ toB0-B35
2
8
2
10
ns
tWFF
Propagation Delay Time, CLKA
↑ to FF/IR
2
8
2
8
ns
tREF
Propagation Delay Time, CLKB
↑ toEF/OR
1
8
1
8
ns
tPAE
Propagation Delay Time, CLKB
↑ toAE
1
818
ns
tPAF
Propagation Delay Time, CLKA
↑ to AF
1
818
ns
tPMF
Propagation Delay Time, CLKA
↑ to MBF1 LOW or MBF2 HIGH and CLKB↑ to MBF2 LOW
0
8
0
8
ns
or
MBF1 HIGH
tPMR
Propagation Delay Time, CLKA
↑ to B0-B35(2) and CLKB↑ to A0-A35(3)
28
2
12
ns
tMDV
Propagation Delay Time, MBA to A0-A35 valid and MBB to B0-B35 Valid
2
8
2
10
ns
tRSF
Propagation Delay Time,
RS1 or PRS LOW to AE LOW, AF HIGH, MBF1 HIGH, and MBF2 HIGH
1
10
1
15
ns
tEN
Enable Time,
CSA and W/RA LOW to A0-A35 Active and CSB LOW and W/RB HIGH
2
6
2
10
ns
to B0-B35 Active
tDIS
Disable Time,
CSA or W/RA HIGH to A0-A35 at high-impedance and CSB HIGH or
1
6
1
8
ns
W/RBLOW to B0-B35 at high-impedance
SWITCHING CHARACTERISTICS OVER RECOMMENDED RANGES OF SUPPLY
VOLTAGE AND OPERATING FREE-AIR TEMPERATURE, CL = 30 PF
NOTES:
1. Industrial temperature range is available by special order
2. Writing data to the mail1 register when the B0-B35 outputs are active and MBB is HIGH.
3. Writing data to the mail2 register when the A0-A35 outputs are active and MBA is HIGH.
(Commercial: VCC = 5.0V ± 10%, TA = 0
°C to +70°C)
Commercial
IDT723623L12 IDT723623L15
IDT723633L12 IDT723633L15
IDT723643L12 IDT723643L15
Symbol
Parameter
Min.
Max.
Min.
Max.
Unit