72V3644L10PF IDT, 72V3644L10PF Datasheet - Page 21

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

Specifications of 72V3644L10PF

• Part # Aliases: IDT72V3644L10PF

NOTE:
1. Unused word B18-B35 are indeterminate for word-size reads.
NOTE:
1. Read From FIFO1.
DATA SIZE TABLE FOR FIFO LONG-WORD READS FROM FIFO1
NOTE:
1. BE is selected at Master Reset; BM and SIZE must be static throughout device operation .
DATA SIZE TABLE FOR WORD READS FROM FIFO1
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
OR
OR
BM
BM
H
H
L
(Standard Mode)
(Standard Mode)
(FWFT Mode)
SIZE MODE
EFB/ORB
(FWFT Mode)
EFB/ORB
B0-B17
B0-B17
SIZE MODE
CLKB
W/RB
B0-B35
B0-B35
MBB
ENB
SIZE
CSB
CLKB
W/RB
MBB
SIZE
ENB
CSB
X
L
L
(1)
HIGH
Figure 11. Port B Long-Word Read Cycle Timing for FIFO1 (IDT Standard and FWFT Modes)
HIGH
(1)
Figure 12. Port-B Word Read Cycle Timing for FIFO1 (IDT Standard and FWFT Modes)
BE
X
t
CLKH
BE
H
L
t
t
EN
EN
t
A35-A27
CLK
A
t
t
MDV
MDV
t
ENS2
A35-A27
t
CLKL
t
EN
t
A
A
EN
DATA WRITTEN TO FIFO1
Previous Data
A26-A18
t
ENS2
t
t
MDV
MDV
B
W1
DATA WRITTEN TO FIFO1
(1)
A26-A18
t
TM
t
t
A
ENH
A
B
B
WITH BUS-MATCHING
Previous Data
A17-A9
Read 1
C
t
ENH
t
t
21
A
A
t
ENS2
A17-A9
C
C
W1
W2
A8-A0
(1)
(1)
D
t
A8-A0
t
A
A
t
Read 1
Read 2
ENH
D
D
B35-B27
A
t
t
A
A
READ NO.
COMMERCIAL TEMPERATURE RANGE
DATA READ FROM FIFO1
1
2
1
2
B26-B18
No Operation
t
ENS2
B
W3
W2
No Operation
(1)
(1)
DATA READ FROM FIFO1
B17-B9
Read 2
Read 3
A
C
C
A
B17-B9
C
t
ENH
t
t
DIS
DIS
4664 drw13
4664 drw14
B8-B0
t
t
DIS
B8-B0
DIS
B
D
D
B
D