參數(shù)資料
型號: IDT72255LA20TFI8
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 23/27頁
文件大?。?/td> 0K
描述: IC FIFO 8KX18 LP 20NS 64QFP
標(biāo)準(zhǔn)包裝: 1,250
系列: 7200
功能: 同步
存儲容量: 144K(8K x 18)
訪問時間: 20ns
電源電壓: 4 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-TQFP(10x10)
包裝: 帶卷 (TR)
其它名稱: 72255LA20TFI8
5
IDT72255LA/72265LA CMOS SuperSync FIFO
8,192 x 18 and 16,384 x 18
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
JANUARY 13, 2009
Symbol
Parameter
(1)
Conditions
Max.
Unit
CIN
(2)
Input
VIN = 0V
10
pF
Capacitance
COUT
(1,2)
Output
VOUT = 0V
10
pF
Capacitance
Symbol
Rating
Com’l & Ind’l
Unit
VTERM
TerminalVoltage
–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
NOTES:
1. With output deselected, (
OE
≥ VIH).
2. Characterized values, not currently tested.
DC ELECTRICAL CHARACTERISTICS
(Commercial: VCC = 5V ± 10%, TA = 0°C to +70°C; Industrial: VCC = 5V
± 10%, TA = -40°C to +85°C)
NOTE:
1. 1.5V undershoots are allowed for 10ns once per cycle.
IDT72255LA
IDT72265LA
Commercial & Industrial(1)
tCLK = 10, 15, 20 ns
Symbol
Parameter
Min.
Max.
Unit
ILI
(2)
InputLeakageCurrent
–1
1
A
ILO
(3)
OutputLeakageCurrent
–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
80
mA
ICC2(4,7)
Standby Current
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.
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
conditions for extended periods may affect reliability.
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED DC OPERATING
CONDITIONS
CAPACITANCE
(TA = +25°C, f = 1.0MHz)
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
Supply Voltage (Com’l/Ind’l)
4.0
5.0
5.5
V
GND
Supply Voltage (Com’l/Ind’l)
0
V
VIH
Input High Voltage (Com’l/Ind’l)
2.0
—V
VIL(1)
Input Low Voltage (Com’l/Ind’l)
0.8
V
TA
Operating Temperature
0
+70
°C
Commercial
TA
Operating Temperature
-40
+85
°C
Industrial
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