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參數(shù)資料
| 型號： | 72205LB25TFI |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | FIFO |
| 英文描述： | 256 X 18 OTHER FIFO, 15 ns, PQFP64 |
| 封裝： | PLASTIC, STQFP-64 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 181K |
| 代理商： | 72205LB25TFI |
4
IDT72205LB/72215LB/72225LB/72235LB/72245LB CMOS SyncFIFO
256 x 18, 512 x 18, 1,024 x 18, 2,048 x 18 and 4,096 x 18
Commercial And Industrial Temperature Ranges
RECOMMENDED DC
OPERATING CONDITIONS
Symbol
Parameter
Min.
Typ.
Max. Unit
VCC
Supply Voltage
4.5
5.0
5.5
V
Com'l/Ind'l
GND
Supply Voltage
0
V
VIH
Input High Voltage
2.0
—
V
Com'l/Ind'l
VIL
(1)
Input Low Voltage
—
0.8
V
Com'l/Ind'l
TA
Operating Temperature
0—
70
°C
Commercial
TA
Operating Temperature
–40
—
85
°C
Industrial
NOTE:
2766 tbl 02
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RAT-
INGS 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.
ABSOLUTE MAXIMUM RATINGS
Symbol
Rating
Com'l & Ind'l
Unit
VTERM
Terminal Voltage
–0.5 to +7.0
V
with respect to GND
TSTG
Storage
–55 to +125
°C
Temperature
IOUT
DC Output Current
–50 to +50
mA
Symbol
Parameter(1)
Conditions
Max.
Unit
CIN(2)
Input
VIN = 0V
10
pF
Capacitance
COUT(1,2)
Output
VOUT = 0V
10
pF
Capacitance
CAPACITANCE (TA = +25
°C, f = 1.0MHz)
NOTES:
2766 tbl 05
1. With output deselected, (
OE ≥ VIH).
2. Characterized values, not currently tested.
AC TEST CONDITIONS
Input Pulse Levels
GND to 3.0V
Input Rise/Fall Times
3ns
Input Timing Reference Levels
1.5V
Output Reference Levels
1.5V
Output Load
See Figure 1
2766 tbl 06
NOTE:
2766 tbl 03
1. 1.5V undershoots are allowed for 10ns once per cycle.
IDT72205LB
IDT72215LB
IDT72225LB
IDT72235LB
IDT72245LB
Commercial and Industrial
(1)
tCLK = 10, 15, 25 ns
Symbol
Parameter
Min.
Typ.
Max.
Unit
ILI(2)
Input Leakage Current (any input)
–1
—
1
A
ILO(3)
Output Leakage Current
–10
—
10
A
VOH
Output Logic “1” Voltage, IOH = –2 mA
2.4
—
V
VOL
Output Logic “0” Voltage, IOL = 8 mA
—
0.4
V
ICC1(4,5,6)
Active Power Supply Current
—
60
mA
ICC2(4,7)
Standby Current
—
5
mA
DC ELECTRICAL CHARACTERISTICS
(Commercial: VCC = 5V
± 10%, TA = 0°C to +70°C; Industrial: VCC = 5V ± 10%, TA = –40°C to +85°C )
NOTES:
1. Industrial temperature range product for the 15ns and the 25 ns speed grade is available as a standard device.
2. Measurements with 0.4
≤ VIN ≤ VCC.
3.
OE ≥ VIH, 0.4 ≤ VOUT ≤ VCC.
4. Tested with outputs open (IOUT = 0).
5. RCLK and WCLK toggle at 20 MHZ and data inputs switch at 10 MHz.
6. For the 72205/72215/72225 the typical ICC1 = 1.81 + 1.12*fS + 0.02*CL*fS (in mA);
for the 72235/72245 the typical ICC1 = 2.85 + 1.30*fS + 0.02*CL*fS (in mA).
These equations are valid under the following conditions:
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.
2766 tbl 04
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