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IDT7203S65 View Datasheet(PDF) - Integrated Device Technology

Part NameDescriptionManufacturer
IDT7203S65 CMOS ASYNCHRONOUS FIFO 2048 x 9, 4096 x 9, 8192 x 9 and 16384 x 9 IDT
Integrated Device Technology IDT
IDT7203S65 Datasheet PDF : 14 Pages
First Prev 11 12 13 14
IDT7203/7204/7205/7206 CMOS ASYNCHRONOUS FIFO
2048 x 9, 4096 x 9, 8192 x 9 and 16384 x 9
MILITARY AND COMMERCIAL TEMPERATURE RANGES
TRUTH TABLES
TABLE I – RESET AND RETRANSMIT
SINGLE DEVICE CONFIGURATION/WIDTH EXPANSION MODE
Inputs
Internal Status
Outputs
Mode
RS
RT
XI Read Pointer Write Pointer
EF
FF
Reset
0
X
0 Location Zero Location Zero
0
1
Retransmit
1
0
0 Location Zero Unchanged
X
X
Read/Write
1
1
0 Increment (1)
Increment (1)
X
X
NOTE:
1. Pointer will Increment if flag is HIGH.
HF
1
X
X
2661 tbl 09
TABLE II – RESET AND FIRST LOAD
DEPTH EXPANSION/COMPOUND EXPANSION MODE
Inputs
Internal Status
Outputs
Mode
RS
FL
XI
Read Pointer
Write Pointer
EF
FF
Reset First Device
0
0
(1)
Location Zero
Location Zero
0
1
Reset all Other Devices 0
1
(1)
Location Zero
Location Zero
0
1
Read/Write
1
X
(1)
X
X
X
X
NOTES:
2661 tbl 10
1. XI is connected to XO of previous device. See Figure 14.
2. RS = Reset Input, FL/RT = First Load/Retransmit, EF = Empty Flag Output, FF = Full Flag Output, XI = Expansion Input, HF = Half-Full Flag Output
W
D
9
FULL
RS
FF
9
FF
9
FF
9
XO
IDT
EF
7203/
7204/
7205/
7206
FL
XI
XO
IDT
EF
7203/
7204/
7205/
7206
FL
XI
XO
IDT
EF
7203/
7204/
7205/
7206
FL
XI
R
9
Q
VCC
EMPTY
2661 drw 16
Figure 14. Block Diagram of 6149 x 9/12298 x 9/24596 x 9/49152 x 9 FIFO Memory (Depth Expansion)
5.04
12
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