256 x 18, 512 x 18, 1,024 x 18, 2,048 x 18 and 4,096 x 18
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
AC ELECTRICAL CHARACTERISTICS
(Commercial: VCC = 3.3V ± 0.3V, TA = 0°C to +70°C; Industrial: VCC = 3.3V ± 0.3V, TA = -40°C to +85°C)
Commercial
IDT72V205L10
IDT72V215L10
IDT72V225L10
IDT72V235L10
IDT72V245L10
Symbol
f
S
t
A
t
CLK
t
CLKH
t
CLKL
t
DS
t
DH
t
ENS
t
ENH
t
RS
t
RSS
t
RSR
t
RSF
t
OLZ
t
OE
t
OHZ
t
WFF
t
REF
t
PAFA
t
PAFS
t
PAEA
t
PAES
t
HF
t
XO
t
XI
t
XIS
t
SKEW1
t
SKEW2(4)
Parameter
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
(2)
Reset Set-up Time
Reset Recovery Time
Reset to Flag and Output Time
Output Enable to Output in Low-Z
(3)
Output Enable to Output Valid
Output Enable to Output in High-Z
(3)
Write Clock to Full Flag
Read Clock to Empty Flag
Clock to Asynchronous Programmable Almost-Full Flag
Write Clock to Synchronous ProgrammableAlmost-Full Flag
Clock to Asynchronous Programmable Almost-Empty Flag
Read Clock to Synchronous Programmable Almost-Empty Flag
Clock to Half-Full Flag
Clock to Expansion Out
Expansion In Pulse Width
Expansion In Set-Up Time
Skew time between Read Clock & Write Clock for
FF/IR
and
EF/OR
Skew time between Read Clock & Write Clock for
PAE
and
PAF
Min.
—
2
10
4.5
4.5
3
0.5
3
0.5
10
8
8
—
0
—
1
—
—
—
—
—
—
—
—
3
3
5
14
Max.
100
6.5
—
—
—
—
—
—
—
—
—
—
15
—
6
6
6.5
6.5
17
8
17
8
17
6.5
—
—
—
—
Com'l & Ind'l
(1)
IDT72V205L15
IDT72V215L15
IDT72V225L15
IDT72V235L15
IDT72V245L15
Min.
—
2
15
6
6
4
1
4
1
15
10
10
—
0
3
3
—
—
—
—
—
—
—
—
6.5
5
6
18
Max.
66.7
10
—
—
—
—
—
—
—
—
—
—
15
—
8
8
10
10
20
10
20
10
20
10
—
—
—
—
Commercial
IDT72V205L20
IDT72V215L20
IDT72V225L20
IDT72V235L20
IDT72V245L20
Min.
—
2
20
8
8
5
1
5
1
20
12
12
—
0
3
3
—
—
—
—
—
—
—
—
8
8
8
20
Max.
50
12
—
—
—
—
—
—
—
—
—
—
20
—
10
10
12
12
22
12
22
12
22
12
—
—
—
—
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES:
1. Industrial temperature range product for the 15ns speed grade is available as a standard device. All other speed grades are available by special order.
2. Pulse widths less than minimum values are not allowed.
3. Values guaranteed by design, not currently tested.
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Embedded System
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