IDT72255LA10PFG View Datasheet(PDF) - Integrated Device Technology
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Description
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IDT72255LA10PFG Datasheet PDF : 27 Pages
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IDT72255LA/72265LA CMOS SuperSync FIFO™
8,192 x 18 and 16,384 x 18
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED DC OPERATING
Symbol
Rating
Com’l & Ind’l
Unit
CONDITIONS
VTERM
TSTG
IOUT
Terminal Voltage
with respect to GND
Storage
Temperature
DC Output Current
–0.5 to +7.0
V
Symbol
Parameter
Min. Typ. Max. Unit
–55 to +125
°C
VCC Supply Voltage (Com’l/Ind’l)
GND Supply Voltage (Com’l/Ind’l)
4.0 5.0 5.5
V
0
0
0
V
–50 to +50
mA
VIH Input High Voltage (Com’l/Ind’l) 2.0
⎯—
V
VIL(1) Input Low Voltage (Com’l/Ind’l)
⎯
⎯ 0.8
V
NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause
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
TA OperatingTemperature
Commercial
TA OperatingTemperature
Industrial
0
⎯ +70 °C
-40 ⎯ +85 °C
conditions for extended periods may affect reliability.
NOTE:
1. 1.5V undershoots are allowed for 10ns once per cycle.
DC ELECTRICAL CHARACTERISTICS
(Commercial: VCC = 5V ± 10%, TA = 0°C to +70°C; Industrial: VCC = 5V ± 10%, TA = -40°C to +85°C)
IDT72255LA
IDT72265LA
Commercial & Industrial(1)
tCLK = 10, 15, 20 ns
Symbol
ILI(2)
ILO(3)
VOH
VOL
ICC1(4,5,6)
ICC2(4,7)
Parameter
Input Leakage Current
Output Leakage Current
Output Logic “1” Voltage, IOH = –2 mA
Output Logic “0” Voltage, IOL = 8 mA
Active Power Supply Current
Standby Current
Min.
Max.
Unit
–1
1
μA
–10
10
μA
2.4
—
V
—
0.4
V
—
80
mA
—
20
mA
NOTES:
1. Industrial temperature range product for 15ns and 20ns speed grades are available as a standard device.
2. Measurements with 0.4 ≤ VIN ≤ VCC.
3. OE ≥ VIH, 0.4 ≤ VOUT ≤ VCC.
4. Tested with outputs disabled (IOUT = 0).
5. RCLK and WCLK toggle at 20 MHz and data inputs switch at 10 MHz.
6. Typical ICC1 = 15 + 2.1*fS + 0.02*CL*fS (in mA) with VCC = 5V, TA = 25°C, fS = WCLK frequency = RCLK frequency (in MHz, using TTL levels), data
switching at fS/2, CL = capacitive load (in pF).
7. All Inputs = VCC –0.2V or GND + 0.2V, except RCLK and WCLK, which toggle at 20 MHz.
CAPACITANCE
(TA = +25°C, f = 1.0MHz)
Symbol
CIN(2)
COUT(1,2)
Parameter(1)
Input
Capacitance
Output
Capacitance
Conditions
VIN = 0V
VOUT = 0V
NOTES:
1. With output deselected, (OE ≥ VIH).
2. Characterized values, not currently tested.
Max.
Unit
10
pF
10
pF
5
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