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72V3613L15PF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25
16
IDT72V3613 3.3V, CMOS CLOCKED FIFO WITH
BUS-MATCHING AND BYTE SWAPPING 64 x 36 COMMERCIAL TEMPERATURE RANGE
NOTES:
1. SIZ0 = HIGH and SIZ1 = HIGH selects the mail1 register for output on B0-B35.
2. Data read from FIFO1.
DATA SWAP TABLE FOR FIFO LONG-WORD READS
FIFO DATA WRITE SWAP MODE FIFO DATA READ
A35-A27 A26-A18 A17-A9 A8-A0 SW1 SW0 B35-B27 B26-B18 B17-B9 B8-B0
ABCD LL ABCD
ABCD LHDCBA
ABCD HL CDAB
ABCD HH BADC
Figure 7. Port B Long-Word Read Cycle Timing
CLKB
ENB
SW1,
SW0
EF
W/RB
PGB,
BE
ODD/
EVEN
HIGH
4661 drw 07
CSB
SIZ1,
SIZ0
NOT (1,1)
(1)
tPGHtPGS
tSZH
tSZS
tSZS tSZH
tENH
(0,0)
t
SWS
B0-B35
NOT (1,1)
(1)
Previous Data
W1
(2)
W2
(2)
tDIS
tA
tAtEN
tENS
tENH
tSWH
tENS
No Operation
(0,0)
17
IDT72V3613 3.3V, CMOS CLOCKED FIFO WITH
BUS-MATCHING AND BYTE SWAPPING 64 x 36 COMMERCIAL TEMPERATURE RANGE
NOTES;
1. SIZ0 = HIGH and SIZ1 = HIGH selects the mail1 register for output on B0-B35.
2. Unused word B0-B17 or B18-B35 are indeterminate.
FIFO DATA WRITE SWAP MODE READ
NO. BIG-ENDIAN LITTLE-ENDIAN
A35-A27 A26-A18 A17-A9 A8-A0 SW1 SW0 B35-B27 B26-B18 B17-B9 B8-B0
1A B C D
ABC DLL2C D A B
1D C B A
ABC DLH2B A DC
1C D A B
ABC DHL2A B CD
1B A D C
ABC DHH2D C B A
FIFO DATA READ
DATA SWAP TABLE FOR FIFO WORD READS
Figure 8. Port B Word Read-Cycle Timing
CLKB
ENB
SW1,
SW0
EF
W/RB
PGB,
BE
ODD/
EVEN
HIGH
4661 drw 08
CSB
SIZ1,
SIZ0
NOT (1,1)
(1)
t
PGH
t
PGS
t
SZH
t
SZS
t
SZS
t
SZH
(0,1)
t
SWS
B0-B17
NOT (1,1)
(1)
Previous Data
t
DIS
t
A
t
A
t
EN
t
ENS
t
ENH
t
SWH
No Operation
Previous Data
B18-B35
Little
Endian
Big
Endian
t
A
t
A
Read 1
Read 1
Read 2
Read 2
(0,1)
(2)
(2)
t
DIS
18
IDT72V3613 3.3V, CMOS CLOCKED FIFO WITH
BUS-MATCHING AND BYTE SWAPPING 64 x 36 COMMERCIAL TEMPERATURE RANGE
NOTES:
1. SIZ0 = HIGH and SIZ1 = HIGH selects the mail1 register for output on B0-B35.
2. Unused bytes B0-B26 or B9-B35 are indeterminate.
DATA SWAP TABLE FOR FIFO BYTE READS
FIFO DATA READ
FIFO DATA WRITE SWAP MODE READ BIG- LITTLE-
NO. ENDIAN ENDIAN
A35-A27 A26-A18 A17-A9 A8-A0 SW1 SW0 B35-B27 B8-B0
1AD
2BC
AB C D LL 3 C B
4DA
1DA
2CB
AB C D LH 3 B C
4AD
1CB
2DA
AB CDHL 3 A D
4BC
1BC
2AD
AB CDHH 3 D A
4CB
Figure 9. Port B Byte Read-Cycle Timing
EF
CSB
W/RB
SIZ1,
SIZ0
ENB
CLKB
4661 drw 09
HIGH
SW1,
SW0
BE
PGB,
ODD/
EVEN
B0-B8
B27-B35
Read 4Read 1 Read 2
Read 4Read 1 Read 3
Read 3Previous Data
Previous Data Read 2
(1,0) (1,0)
(1,0)
Not (1,1)
(1)
No Operation
t
DIS
t
DIS
t
A
t
A
t
A
t
A
t
A
t
A
t
EN
t
PGH
t
PGS
Not (1,1)
(1)
Not (1,1)
(1)
Not (1,1)
(1)
(1,0)
t
ENS
t
ENH
t
SWS
t
SWH
t
SZH
t
SZH
t
SZS
t
SZS
t
A
t
A
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25

72V3613L15PF

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Description:
IC FIFO CLOCK 64X36 15NS 120TQFP
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