IDT72285 Integrated Device Technology, IDT72285 Datasheet - Page 6

• Manufacturer Part Number: IDT72285
• Description: 64k X 18 Supersync Fifo, 5.0v
• Manufacturer: Integrated Device Technology

AC ELECTRICAL CHARACTERISTICS
(Commercial: V
NOTES:
1. All AC timings apply to both Standard IDT mode and First Word Fall Through mode.
2. Industrial temperature range product fot 15ns and 20ns speed grade are available as a standard device.
3. Pulse widths less than minimum values are not allowed.
4. Values guaranteed by design, not currently tested.
AC TEST CONDITIONS
IDT72275/72285
CMOS SuperSync FIFO™ 32,768 x 18 and 65,536 x 18
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
Output Load
S
A
CLK
CLKH
CLKL
DS
DH
ENS
ENH
LDS
LDH
RS
RSS
RSR
RSF
RTS
OLZ
OE
OHZ
REF
PAF
PAE
HF
SKEW1
SKEW2
SKEW3
FWFT
WFF
Clock Cycle Frequency
Data Access Time
Clock Cycle Time
Clock High Time
Clock Low Time
Data Setup Time
Data Hold Time
Enable Setup Time
Enable Hold Time
Load Setup Time
Load Hold Time
Reset Pulse Width
Reset Setup Time
Reset Recovery Time
Reset to Flag and Output Time
Mode Select Time
Retransmit Setup Time
Output Enable to Output in Low Z
Output Enable to Output Valid
Output Enable to Output in High Z
Write Clock to FF or IR
Read Clock to EF or OR
Write Clock to PAF
Read Clock to PAE
Clock to HF
Skew time between RCLK and WCLK for FF/IR
Skew time between RCLK and WCLK for PAE and PAF
Skew time between RCLK and WCLK for EF/OR
CC
= 5V ± 10%, T
(3)
A
Parameter
= 0°C to +70°C; Industrial: V
(4)
(4)
GND to 3.0V
See Figure 2
1.5V
1.5V
3ns
CC
= 5V ± 10%,T
Min.
4.5
4.5
—
10
10
10
10
—
—
—
—
—
—
12
60
2
3
0
3
0
3
0
0
3
0
2
2
5
IDT72275L10
IDT72285L10
Commercial
6
A
= -40°C to +85°C)
Max.
100
6.5
6.5
6.5
6.5
6.5
—
—
—
—
—
—
—
—
—
—
—
—
10
—
—
—
16
—
—
—
6
6
* Includes jig and scope capacitances.
D.U.T.
Min.
680Ω
—
15
15
15
15
—
—
—
—
—
—
15
60
2
6
6
4
1
4
1
4
1
0
4
0
3
3
6
IDT72275L15
IDT72285L15
Figure 2. Output Load
Commercial & Industrial
Max.
66.7
10
—
—
—
—
—
—
—
—
—
—
—
—
15
—
—
—
10
10
10
10
20
—
—
—
8
8
COMMERCIAL AND INDUSTRIAL
5V
1.1K
30pF*
TEMPERATURE RANGES
Min.
—
20
20
20
20
—
—
—
—
—
—
10
20
60
2
8
8
5
1
5
1
5
1
0
5
0
3
3
IDT72275L20
IDT72285L20
4674 drw 04
(2)
Max.
50
12
—
—
—
—
—
—
—
—
—
—
—
—
20
—
—
—
10
10
12
12
12
12
22
—
—
—
MHz
Unit
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