IDT72V2103 IDT [Integrated Device Technology], IDT72V2103 Datasheet - Page 26

• Manufacturer Part Number: IDT72V2103
• Description: 3.3 VOLT HIGH-DENSITY SUPERSYNC II NARROW BUS FIFO
• Manufacturer: IDT [Integrated Device Technology]

Q
NOTES:
1. t
2. LD = HIGH.
3. First data word latency: t
NOTES:
1. t
2. LD = HIGH, EF = HIGH
D
IDT72V2103/72V2113 3.3V HIGH DENSITY SUPERSYNC II
IDT72V263/273/283/293/103/113 3.3V HIGH DENSITY SUPERSYNC II
8K x 18, 16K x 9/18, 32K x 9/18, 64K x 9/18, 128K x 9/18, 256K x 9/18, 512K x9
131,072 x 18/262,144 x 9, 262,144 x 18/524,288 x 9
D
Q
WCLK
RCLK
0
0
WEN
WCLK
REN
0
0
- Q
of WCLK and the rising edge of RCLK is less than t
RCLK
of the RCLK and the rising edge of the WCLK is less than t
- D
SKEW1
WEN
SKEW1
OE
REN
EF
- D
- Q
FF
n
n
n
n
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
is the minimum time between a rising RCLK edge and a rising WCLK edge to guarantee that FF will go high (after one WCLK cycle pus t
ENS
DATA IN OUTPUT REGISTER
t
ENS
t
SKEW1
t
t
OLZ
ENH
SKEW1
t
REF
t
A
Figure 8. Read Cycle, Empty Flag and First Data Word Latency Timing (IDT Standard Mode)
t
OE
(1)
+ 1*T
t
SKEW1
RCLK
t
t
ENS
ENH
t
DS
t
A
+ t
D
(1)
0
1
REF
NO WRITE
NO OPERATION
Figure 7. Write Cycle and Full Flag Timing (IDT Standard Mode)
.
t
t
DHS
ENH
SKEW1
LAST WORD
1
, then EF deassertion may be delayed one extra RCLK cycle.
SKEW1
2
t
, then the FF deassertion may be delayed one extra WCLK cycle.
WFF
TM
t
t
OHZ
DS
t
t
NARROW BUS FIFO
DS
ENS
D
DX
1
NO OPERATION
TM
t
CLKH
t
WFF
t
NARROW BUS FIFO
t
ENH
DH
26
DATA READ
t
t
DH
CLK
2
t
CLKL
t
CLKH
t
t
REF
ENS
t
OLZ
t
SKEW1
t
CLK
(1)
t
CLKL
t
ENS
t
ENH
LAST WORD
t
A
1
NO WRITE
t
ENH
t
A
COMMERCIAL AND INDUSTRIAL
WFF
REF
2
t
WFF
). If the time between the rising edge
). If the time between the rising edge
TEMPERATURE RANGES
t
ENS
t
DS
NEXT DATA READ
D
0
DX+1
t
WFF
t
REF
t
t
6119 drw10
ENH
A
t
DH
6119 drw11
D
1