IDT723631/723641/723651 CMOS SyncFIFO™
512 x 36, 1,024 x 36 and 2,048 x 36
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
AC ELECTRICAL CHARACTERISTICS
(Commercial: VCC = 5.0V ± 10%, TA = 0°C to +70°C; Industrial: VCC = 5.0V ± 10%, TA = -40°C to +85°C)
Symbol
Parameter
Commercial
IDT723631L15
IDT723641L15
IDT723651L15
Com’l & Ind’l(1)
IDT723631L20
IDT723641L20
IDT723651L20
Min.
Max.
Min.
Max.
Unit
fS
Clock Frequency, CLKA or CLKB
tA
Access Time, CLKB↑ to B0-B35
tPIR
Propagation Delay Time, CLKA↑ to IR
tPOR
Propagation Delay Time, CLKB↑ to OR
tPAE
Propagation Delay Time, CLKB↑ to AE
tPAF
Propagation Delay Time, CLKA↑ to AF
tPMF
Propagation Delay Time, CLKA↑ to MBF1 LOW or MBF2
HIGH and CLKB↑ to MBF2 LOW or MBF1 HIGH
tPMR
Propagation Delay Time, CLKA↑ to B0-B35(2) and
CLKB↑ to A0-A35(3)
tMDV
Propagation Delay Time, MBB to B0-B35 Valid
tRSF
Propagation Delay Time, RST LOW to AE LOW and AF HIGH
tEN
Enable Time, CSA and W/RA LOW to A0-A35 Active and
CSB LOW and W/RB HIGH to B0-B35 Active
tDIS
Disable Time, CSA or W/RA HIGH to A0-A35 at high-impedance
and CSB HIGH or W/RB LOW to B0-B35 at high-impedance
–
66.7
–
3
11
3
1
8
1
1
8
1
1
8
1
1
8
1
0
8
0
3
13.5
3
3
13
3
1
15
1
2
12
2
1
8
1
50
MHz
13
ns
10
ns
10
ns
10
ns
10
ns
10
ns
15
ns
15
ns
20
ns
13
ns
10
ns
NOTES:
1. Industrial temperature range product for 20ns is available as a standard device.
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.
8