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IDT72T40108L5BB Datasheet(PDF) 9 Page - Integrated Device Technology

Part # IDT72T40108L5BB
Description  2.5 VOLT HIGH-SPEED TeraSync DDR/SDR FIFO 40-BIT CONFIGURATION
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT72T40108L5BB Datasheet(HTML) 9 Page - Integrated Device Technology

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COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72T4088/98/108/118 2.5V HIGH-SPEED TeraSync™ DDR/SDR FIFO 40-BIT
CONFIGURATION 16,384 x 40, 32,768 x 40, 65,536 x 40 and 131,072 x 40
Symbol
Rating
Commercial
Unit
VTERM
TerminalVoltage
–0.5 to +3.6(2)
V
with respect to GND
TSTG
StorageTemperature
–55 to +125
°C
IOUT
DC Output Current
–50 to +50
mA
DC ELECTRICAL CHARACTERISTICS
(Commercial: VCC = 2.5V ± 0.125V, TA = 0
°C to +70°C;Industrial: VCC = 2.5V ± 0.125V, TA = -40°C to +85°C)
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
Supply Voltage
2.375
2.5
2.625
V
GND
Supply Voltage
0
0
0
V
VIH
Input High Voltage
 LVTTL
1.7
3.45
V
 eHSTL
VREF+0.2
V
 HSTL
VREF+0.2
V
VIL
Input Low Voltage
 LVTTL
-0.3
0.7
V
 eHSTL
VREF-0.2
V
 HSTL
VREF-0.2
V
VREF
VoltageReferenceInput
 eHSTL
0.8
0.9
1.0
V
(HSTL only)
 HSTL
0.68
0.75
0.9
V
TA
OperatingTemperatureCommercial
0
70
°C
TA
OperatingTemperatureIndustrial
-40
85
°C
Symbol
Parameter
Min.
Max.
Unit
ILI
InputLeakageCurrent
–10
10
µA
ILO
OutputLeakageCurrent
–10
10
µA
VOH(5)
Output Logic “1” Voltage,
IOH = –8 mA @VDDQ = 2.5V
± 0.125V (LVTTL)
VDDQ -0.4
V
IOH = –8 mA @VDDQ = 1.8V
± 0.1V (eHSTL)
VDDQ -0.4
V
IOH = –8 mA @VDDQ = 1.5V
± 0.1V (HSTL)
VDDQ -0.4
V
VOL
Output Logic “0” Voltage,
IOL = 8 mA @VDDQ = 2.5V
± 0.125V (LVTTL)
0.4V
V
IOL = 8 mA @VDDQ = 1.8V
± 0.1V (eHSTL)
0.4V
V
IOL = 8 mA @VDDQ = 1.5V
± 0.1V (HSTL)
0.4V
V
ICC1(1,2)
Active VCC Current (VCC = 2.5V)
I/O = LVTTL
20
mA
I/O = HSTL
60
mA
I/O = eHSTL
60
mA
ICC2(1)
Standby VCC Current (VCC = 2.5V)
I/O = LVTTL
10
mA
I/O = HSTL
50
mA
I/O = eHSTL
50
mA
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED DC OPERATING CONDITIONS
NOTES:
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
conditions for extended periods may affect reliability.
2. Compliant with JEDEC JESD8-5. VCC terminal only.
Symbol
Parameter
(1)
Conditions
Max.
Unit
CIN(2,3)
Input
VIN = 0V
10(3)
pF
Capacitance
COUT(1,2)
Output
VOUT = 0V
10
pF
Capacitance
CAPACITANCE (TA= +25
°C, f = 1.0MHz)
NOTES:
1. With output deselected, (
OE
≥ VIH).
2. Characterized values, not currently tested.
3. CIN for Vref is 20pF.
NOTES:
1. Both WCLK and RCLK toggling at 20MHz. Data inputs toggling at 10MHz.
WCS = HIGH, REN or RCS = HIGH.
2. Typical ICC1 calculation:
for LVTTL I/O ICC1 (mA) = 0.6mA x fs, fs = WCLK frequency = RCLK frequency (in MHz)
for HSTL or eHSTL I/O ICC1 (mA) = 38mA + (0.7mA x fs), fs = WCLK frequency = RCLK frequency (in MHz)
3. Typical IDDQ calculation: With Data Outputs in High-Impedance: IDDQ (mA) = 0.15mA x fs
With Data Outputs in Low-Impedance: IDDQ (mA) = (CL x VDDQ x fs x 2N)/2000
fs = WCLK frequency = RCLK frequency (in MHz), VDDQ = 2.5V for LVTTL; 1.5V for HSTL; 1.8V for eHSTL, N = Number of outputs switching.
tA = 25°C, CL = capacitive load (pf)
4. Total Power consumed: PT = [(VCC x ICC) + (VDDQ x IDDQ)].
5. Outputs are not 3.3V tolerant.
NOTE:
1. VREF is only required for HSTL or eHSTL inputs. VREF should be tied LOW for LVTTL operation.


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