72255LA20TF IDT, 72255LA20TF Datasheet - Page 5

• Manufacturer Part Number: 72255LA20TF
• Description: FIFO
• Manufacturer: IDT

Specifications of 72255LA20TF

• Part # Aliases: IDT72255LA20TF

ABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS
(Commercial: V
CAPACITANCE
NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause
NOTES:
1. With output deselected, (OE ≥ V
2. Characterized values, not currently tested.
IDT72255LA/72265LA CMOS SuperSync FIFO™
8,192 x 18 and 16,384 x 18
NOTES:
1. Industrial temperature range product for 15ns and 20ns speed grades are available as a standard device.
2. Measurements with 0.4 ≤ V
3. OE ≥ V
4. Tested with outputs disabled (I
5. RCLK and WCLK toggle at 20 MHz and data inputs switch at 10 MHz.
6. Typical I
7. All Inputs = V
(T
Symbol
C
C
Symbol
V
T
I
permanent damage to the device. This is a stress rating only and functional operation
of the device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
Symbol
I
I
V
V
I
I
A
IN
OUT
switching at f
OUT
LI
LO
CC1
CC2
TERM
STG
OH
OL
(2)
(2)
= +25°C, f = 1.0MHz)
(3)
(1,2)
(4,5,6)
(4,7)
IH
CC1
, 0.4 ≤ V
= 15 + 2.1*f
Parameter
Input
Capacitance
Output
Capacitance
S
CC
/2, C
CC
Terminal Voltage
with respect to GND
Storage
Temperature
DC Output Current
–0.2V or GND + 0.2V, except RCLK and WCLK, which toggle at 20 MHz.
Parameter
Input Leakage Current
Output Leakage Current
Output Logic “1” Voltage, I
Output Logic “0” Voltage, I
Active Power Supply Current
Standby Current
OUT
= 5V ± 10%, T
L
= capacitive load (in pF).
≤ V
S
(1)
Rating
CC
+ 0.02*C
IN
.
≤ V
OUT
IH
).
CC
A
= 0).
L
Conditions
V
V
*f
.
= 0°C to +70°C; Industrial: V
IN
OUT
S
= 0V
(in mA) with V
= 0V
OH
OL
= 8 mA
= –2 mA
Com’l & Ind’l
–0.5 to +7.0
–55 to +125
–50 to +50
CC
= 5V, T
Max.
10
10
A
= 25°C, f
CC
mA
Unit
° C
Unit
pF
pF
V
= 5V ± 10%, T
S
= WCLK frequency = RCLK frequency (in MHz, using TTL levels), data
5
RECOMMENDED DC OPERATING
CONDITIONS
NOTE:
1. 1.5V undershoots are allowed for 10ns once per cycle.
Symbol
GND
V
V
V
T
T
IL
CC
IH
A
A
A
(1)
= -40°C to +85°C)
Supply Voltage (Com’l/Ind’l)
Supply Voltage (Com’l/Ind’l)
Input High Voltage (Com’l/Ind’l)
Input Low Voltage (Com’l/Ind’l)
Operating Temperature
Commercial
Operating Temperature
Industrial
Min.
–10
2.4
–1
—
—
—
Parameter
Commercial & Industrial
t
CLK
IDT72255LA
IDT72265LA
= 10, 15, 20 ns
COMMERCIAL AND INDUSTRIAL
Max.
Min.
0.4
4.0
2.0
-40
10
—
80
20
(1)
⎯
1
TEMPERATURE RANGES
0
0
JANUARY 13, 2009
Typ.
5.0
⎯
⎯
⎯
⎯
0
Max.
+70
+85
5.5
0.8
—
0
Unit
mA
mA
µ A
µA
V
V
Unit
°C
°C
V
V
V
V