IDT723644L12PF IDT, Integrated Device Technology Inc, IDT723644L12PF Datasheet - Page 20

• Manufacturer Part Number: IDT723644L12PF
• Description: IC FIFO SYNC 2048X36 128QFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 7200r

Specifications of IDT723644L12PF

• Function: Synchronous
• Memory Size: 72K (2K x 36)
• Data Rate: 83MHz
• Access Time: 12ns
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 723644L12PF

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.
IDT723624/723634/723644 CMOS SyncBiFIFO™ WITH BUS-MATCHING
256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2
FFB/IRB
FFB/IRB
B0-B17
B0-B8
CLKB
CLKB
W/RB
W/RB
MBB
CSB
MBB
CSB
ENB
ENB
BM
H
H
BM
H
H
HIGH
HIGH
SIZE MODE
SIZE MODE
SIZE
L
L
SIZE
H
H
(1)
Figure 9. Port B Word Write Cycle Timing for FIFO2 (IDT Standard and FWFT Modes)
(1)
Figure 10. Port B Byte Write Cycle Timing for FIFO2 (IDT Standard and FWFT Modes)
t
t
t
t
ENS2
ENS1
ENS1
ENS2
BE
H
L
t
DS
BE
H
L
t
t
t
t
WRITE NO.
ENS1
ENS1
ENS2
ENS2
t
1
2
1
2
ENH
t
t
WRITE
DH
ENH
NO.
1
2
3
4
1
2
3
4
t
DS
DATA WRITTEN TO FIFO2
DATA WRITTEN
B17-B9
t
A
C
C
A
t
t
TO FIFO2
ENH
ENH
DH
B8-B0
A
B
C
D
D
C
B
A
20
B8-B0
B
D
D
B
t
t
ENS2
ENS2
A35-A27
A
A
A35-A27
A
A
DATA READ FROM FIFO2
A26-A18
COMMERCIAL TEMPERATURE RANGE
t
t
t
ENH
B
B
ENH
DATA READ FROM FIFO2
ENH
A26-A18
t
ENS2
B
B
A17-A9
A17-A9
C
C
C
C
t
t
t
ENH
ENH
ENH
3270 drw11
3270 drw12
A8-A0
A8-A0
D
D
D
D