IDT72251 IDT [Integrated Device Technology], IDT72251 Datasheet - Page 4

• Manufacturer Part Number: IDT72251
• Description: CMOS SyncFIFOO 8192 X 9
• Manufacturer: IDT [Integrated Device Technology]

IDT72251 CMOS SyncFIFO
8192 x 9
AC ELECTRICAL CHARACTERISTICS
(Commercial: V
NOTES:
1. Pulse widths less than minimum values are not allowed.
2. Values guaranteed by design, not currently tested.
AC TEST CONDITIONS
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
S
A
CLK
CLKH
CLKL
DS
DH
ENS
ENH
RS
RSS
RSR
RSF
OLZ
OE
OHZ
WFF
REF
PAF
PAE
SKEW1
SKEW2
In Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
Output Load
Clock Cycle Frequency
Data Access Time
Clock Cycle Time
Clock HIGH Time
Clock LOW Time
Data Set-up Time
Data Hold Time
Enable Set-up Time
Enable Hold Time
Reset Pulse Width
Reset Set-up Time
Reset Recovery Time
Reset to Flag Time and Output Time
Output Enable to Output in Low-Z
Output Enable to Output Valid
Output Enable to Output in High-Z
Write Clock to Full Flag
Read Clock to Empty Flag
Write Clock to Programmable Almost-Full Flag
Read Clock to Programmable Almost-Empty Flag
Skew Time Between Read Clock and Write Clock
for Empty Flag and Full Flag
Skew Time Between Read Clock and Write Clock
for Programmable Almost-Empty Flag and
Programmable Almost-Full Flag
CC
= 5V
Parameter
10%, T
(1)
A
= 0 C to +70 C
(2)
(2)
See Figure 1
GND to 3.0V
1.5V
1.5V
3ns
2655 tbl 09
Min.
5.14
15
15
—
15
15
—
—
—
—
—
28
2
6
6
4
1
4
1
0
3
3
6
72251L15
66.7
Max.
10
15
10
10
10
10
—
—
—
—
—
—
—
—
—
—
—
—
—
8
8
D.U.T.
Min.
72251L20
20
20
20
20
35
—
—
—
—
—
—
2
8
8
5
1
5
1
0
3
3
8
*Includes jig and scope capacitances.
Max.
50
12
20
10
10
12
12
12
12
—
—
—
—
—
—
—
—
—
—
—
—
—
Figure 1. Output Load
680
Commercial
or equivalent circuit
Min.
25
10
10
25
25
25
10
40
—
—
—
—
—
—
3
6
1
6
1
0
3
3
72251L25
COMMERCIAL TEMPERATURE RANGES
Max.
40
15
25
13
13
15
15
15
15
—
—
—
—
—
—
—
—
—
—
—
—
—
5V
1.1K
30pF*
Min.
72251L35
—
35
14
14
35
35
35
—
—
—
—
—
12
42
3
8
2
8
2
0
3
3
2655 drw 03
28.6
Max.
20
—
—
—
—
—
—
35
15
15
20
20
20
20
—
—
—
—
—
—
—
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4