IDT7280L15PAI8 IDT, Integrated Device Technology Inc, IDT7280L15PAI8 Datasheet - Page 9

• Manufacturer Part Number: IDT7280L15PAI8
• Description: IC MEM FIFO 256X9 15NS 56-TSSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 7200r

Specifications of IDT7280L15PAI8

• Function: Asynchronous
• Memory Size: 2.3K (256 x 9)
• Data Rate: 40MHz
• Access Time: 15ns
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 56-TSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 7280L15PAI8

TABLE 1 — RESET AND RETRANSMIT
Single Device Configuration/Width Expansion Mode
NOTE:
1. Pointer will increment if flag is High.
TABLE 2 — RESET AND FIRST LOAD TRUTH TABLE
Depth Expansion/Compound Expansion Mode
NOTE:
1. XI is connected to XO of previous device. See Figure 14. RS = Reset Input, FL/RT = First Load/Retransmit, EF = Empty Flag Output, FF = Full Flag Output,
IDT7280/7281/7282/7283/7284/7285 5V ASYNCHRONOUS FIFO
DUAL 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9
Reset
Retransmit
Read/Write
Reset First Device
Reset All Other Devices
Read/Write
XI = Expansion Input, HF = Half-Full Flag Output
Figure 14. Block Diagram of 1,024 x 9, 2,048 x 9, 4,096 x 9, 8,192 x 9, 16,384 x 9, 32,768 x 9 FIFO Memory (Depth Expansion)
Mode
Mode
FULL
RSA
W
D
RS
RS
0
1
1
0
0
1
9
Inputs
Inputs
RT
FL
X
0
1
0
1
X
9
9
FFA
FFB
FFA
FFB
(1)
(1)
(1)
XI
XI
0
0
0
9
7280/7281/
7282/7283/
7284/7285
7280/7281/
7282/7283/
7284/7285
FIFO A
FIFO B
FIFO A
FIFO B
Read Pointer
Location Zero
Location Zero
Read Pointer
Location Zero
Location Zero
Increment
XOA
XIB
9
XOA
XIB
X
(1)
FLB
EFB
EFA
FLB
FLA
XIA
XOB
EFA
XOB
EFB
FLA
XIA
Internal Status
Internal Status
Write Pointer
Location Zero
Location Zero
Write Pointer
Location Zero
Unchanged
Increment
X
9
(1)
COMMERCIAL TEMPERATURE RANGE
V
EF
R
Q
EMPTY
X
X
0
EF
3208 drw 16
CC
0
0
X
Outputs
Outputs
JANUARY 13, 2009
FF
X
X
1
FF
1
1
X
HF
X
X
10
1