IDT72T20128L6-7BB IDT, Integrated Device Technology Inc, IDT72T20128L6-7BB Datasheet - Page 32

• Manufacturer Part Number: IDT72T20128L6-7BB
• Description: IC FIFO 1KX20 2.5V 6-7NS 208BGA
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 72Tr

Specifications of IDT72T20128L6-7BB

• Function: Synchronous
• Memory Size: 20K (1K x 20)
• Access Time: 3.8ns
• Voltage - Supply: 2.375 V ~ 2.625 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 208-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Rate: -
• Other names: 72T20128L6-7BB

Q
NOTES:
1. t
2. First data word latency = t
3. RCS is LOW.
4. RCLK must be free running for EF to update.
IDT72T2098/108/118/128 2.5V HIGH-SPEED TeraSync™ DDR/SDR FIFO 20-BIT/10-BIT CONFIGURATIONS
32K x 20/64K x 10, 64K x 20/128K x 10, 128K x 20/256K x 10, 256K x 20/512K x 10
D
0
WCLK
0
RCLK
rising edge of WCLK and the rising edge of RCLK is less than t
- Q
SKEW1
WEN
WCS
REN
- D
OE
EF
19
19
is the minimum time between a rising WCLK edge and a rising RCLK edge to guarantee that EF will go HIGH (after one RCLK cycle plus t
t
ENS
Figure 12. Read Cycle, Output Enable, Empty Flag and First Data Word Latency (IDT Standard Mode)
t
t
OLZ
ENH
SKEW1
t
REF
t
A
t
OE
+ 1*T
t
WCSS
t
SKEW1
t
RCLK
ENS
t
DS
D
(1)
+ t
0
REF.
NO OPERATION
t
t
DH
ENH
LAST WORD
1
SKEW1
, then EF deassertion may be delayed one extra RCLK cycle.
t
OHZ
t
t
DS
ENS
D
1
NO OPERATION
t
32
t
t
ENH
WCSH
DH
2
t
CLKH1
t
REF
t
OLZ
t
CLK1
t
CLKL1
t
ENS
LAST WORD
t
ENH
t
A
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
REF
FEBRUARY 13, 2009
t
ENS
). If the time between the
D
0
t
REF
t
t
ENH
A
5996 drw15
D
1