IDT72V3612 3.3V, CMOS SyncBiFIFOTM
64 x 36 x 2
COMMERCIAL TEMPERATURE RANGE
SWITCHING CHARACTERISTICS OVER RECOMMENDED RANGES OF
SUPPLY VOLTAGE AND OPERATING FREE-AIR TEMPERATURE, CL = 30pF
Commercial: Vcc=3.3V± 0.30V; for 12ns (83MHz) operation, Vcc=3.3V ±0.15V; TA = 0°C to +70°C; JEDEC JESD8-A compliant
Symbol
Parameter
IDT72V3612L12 IDT72V3612L15 IDT72V3612L20
Min. Max. Min. Max. Min. Max. Unit
tA
Access Time, CLKA↑ to A0-A35 and CLKB↑ to B0-B35
1
8
2
10
2
12
ns
tWFF
Propagation Delay Time, CLKA↑ to FFA and CLKB↑ to FFB
1
8
2
10
2
12
ns
tREF
Propagation Delay Time, CLKA↑ to EFA and CLKB↑ to EFB
1
8
2
10
2
12
ns
tPAE
Propagation Delay Time, CLKA↑ to AEA and CLKB↑ to AEB
1
8
2
10
2
12
ns
tPAF
Propagation Delay Time, CLKA↑ to AFA and CLKB↑ to AFB
1
8
2
10
2
12
ns
tPMF
Propagation Delay Time, CLKA↑ to MBF1 LOW or MBF2
HIGH and CLKB↑ to MBF2 LOW or MBF1 HIGH
1
8
1
9
1
12
ns
tPMR
Propagation Delay Time, CLKA↑ to B0-B35(1) and CLKB↑
to A0-A35(2)
2
8
2
10
2
12
ns
tMDV
Propagation Delay Time, MBA to A0-A35 valid and MBB to
B0-B35 valid
1
8
1
10
1 11.5
ns
tPDPE Propagation Delay Time, A0-A35 valid to PEFA valid; B0-B35
2
8
2
10
2
11
ns
valid to PEFB valid
tPOPE Propagation Delay Time, ODD/EVEN to PEFA and PEFB
2
8
2
10
2
12
ns
tPOPB(3) Propagation Delay Time, ODD/EVEN to parity bits (A8, A17,
2
8
2
10
2
12
ns
A26, A35) and (B8, B17, B26, B35)
tPEPE Propagation Delay Time, W/RA, CSA, ENA, MBA or PGA to
1
8
1
10
1
12
ns
PEFA; W/RB, CSB, ENB. MBB, PGB to PEFB
tPEPB(3) Propagation Delay Time, W/RA, CSA, ENA, MBA or PGA to
2
8
2
10
2
12
ns
parity bits (A8, A17, A26, A35); W/RB, CSB, ENB. MBB or PGB
to parity bits (B8, B17, B26, B35)
tRSF
Propagation Delay Time, RST to (AEA, AEB) LOW and
(AFA, AFB, MBF1, MBF2) HIGH
1
10
1
15
1
20
ns
tEN
Enable Time, CSA and W/RA LOW to A0-A35 active and
CSB LOW and W/RB HIGH to B0-B35 active
2
6
2
10
2
12
ns
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
1
6
1
8
1
9
ns
NOTES:
1. Writing data to the mail1 register when the B0-B35 outputs are active and MBB is HIGH.
2. Writing data to the mail2 register when the A0-A35 outputs are active and MBA is HIGH.
3. Only applies when reading data from a mail register.
9