72V3644L10PF IDT, 72V3644L10PF Datasheet - Page 20

• Manufacturer Part Number: 72V3644L10PF
• Description: FIFO
• Manufacturer: IDT

Specifications of 72V3644L10PF

• Part # Aliases: IDT72V3644L10PF

DATA SIZE TABLE FOR WORD WRITES TO FIFO2
DATA SIZE TABLE FOR BYTE WRITES TO FIFO2
NOTE:
1. BE is selected at Master Reset; BM and SIZE must be static throughout device operation.
NOTE:
1. BE is selected at Master Reset; BM and SIZE must be static throughout device operation.
IDT72V3624/72V3634/72V3644 3.3V CMOS SyncBiFIFO
256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2
FFB/IRB
FFB/IRB
B0-B17
CLKB
B0-B8
W/RB
CLKB
W/RB
MBB
CSB
ENB
MBB
CSB
ENB
BM
BM
H
H
H
H
HIGH
HIGH
SIZE MODE
SIZE MODE
SIZE
SIZE
H
H
L
L
(1)
(1)
Figure 9. Port B Word Write Cycle Timing for FIFO2 (IDT Standard and FWFT Modes)
Figure 10. Port B Byte Write Cycle Timing for FIFO2 (IDT Standard and FWFT Modes)
t
t
t
t
ENS2
ENS1
ENS2
ENS2
BE
BE
H
t
L
H
L
DS
t
t
t
t
ENS1
ENS2
ENS2
ENS2
WRITE
WRITE
NO.
t
NO.
ENH
t
1
2
3
4
1
2
3
4
t
1
2
1
2
DH
ENH
t
DS
TM
B17-B9
t
WITH BUS-MATCHING
t
t
ENH
ENH
DH
DATA WRITTEN
A
C
C
A
DATA WRITTEN
TO FIFO2
TO FIFO2
B8-B0
C
C
20
A
B
D
D
B
A
B8-B0
B
D
D
B
t
t
ENS2
ENS2
A35-A27
A35-A27
A
A
A
A
t
t
t
ENH
ENH
ENH
COMMERCIAL TEMPERATURE RANGE
DATA READ FROM FIFO2
t
DATA READ FROM FIFO2
ENS2
A26-A18
A26-A18
B
B
B
B
A17-A9
A17-A9
C
C
t
t
t
ENH
ENH
C
C
ENH
4664 drw12
4664 drw11
A8-A0
A8-A0
D
D
D
D