IDT72V3684 Integrated Device Technology, IDT72V3684 Datasheet - Page 32

• Manufacturer Part Number: IDT72V3684
• Description: 16 K X 36 X 2 Syncbififo, 3.3v
• Manufacturer: Integrated Device Technology

NOTE:
1. If Port B is configured for word size, data can be written to the Mail2 Register using B0-B17 (B18-B35 are don’t care inputs). In this first case A0-A17 will have valid data
B0-B35
A0-A35
IDT72V3684/72V3694/72V36104 3.3V CMOS SyncBiFIFO
BUS-MATCHING 16,384 x 36 x 2, 32,768 x 36 x 2 and 65, 536 x 36 x 2
CLKB
CLKA
W/RB
MBF2
W/RA
(A18-A35 will be indeterminate). If Port B is configured for byte size, data can be written to the Mail2 Register using B0-B8 (B9-B35 are don’t care inputs). In this second
case, A0-A8 will have valid data (A9-A35 will be indeterminate).
CSB
MBB
ENB
CSA
MBA
ENA
Figure 28. Timing for Mail2 Register and MBF2 Flag (IDT Standard and FWFT Modes)
t
FIFO2 Output Register
EN
t
t
t
t
ENS1
ENS1
ENS2
ENS2
t
DS
W1
t
MDV
t
t
t
t
t
ENH
ENH
DH
ENH
ENH
t
PMF
t
PMR
TM
WITH
32
W1 (Remains valid in Mail 2 Register after read)
t
ENS2
COMMERCIAL TEMPERATURE RANGE
t
ENH
t
PMF
t
DIS
4677 drw30