參數(shù)資料
型號： 71V35781S183PF
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： SRAM
英文描述： 256K X 18 CACHE SRAM, 3.3 ns, PQFP100
封裝： 14 X 20 MM, PLASTIC, TQFP-100
文件頁數(shù)： 22/22頁
文件大?。?/td> 632K
代理商： 71V35781S183PF
6.42
IDT71V35761, IDT71V35781, 128K x 36, 256K x 18, 3.3V Synchronous SRAMs with
3.3V I/O, Pipelined Outputs, Burst Counter, Single Cycle Deselect
Commercial and Industrial Temperature Ranges
9
DC Electrical Characteristics Over the Operating
Temperature and Supply Voltage Range(1)
DC Electrical Characteristics Over the Operating
Temperature and Supply Voltage Range (VDD = 3.3V ± 5%)
Figure 2. Lumped Capacitive Load, Typical Derating
Figure 1. AC Test Load
AC Test Load
AC Test Conditions
(VDDQ = 3.3V)
NOTE:
1. The
LBO, TMS, TDI, TCK & TRST pins will be internally pulled to VDD and the ZZ pin will be internally pulled to VSS if they are not actively driven in the application.
NOTES:
1. All values are maximum guaranteed values.
2. At f = fMAX, inputs are cycling at the maximum frequency of read cycles of 1/tCYC while
ADSC = LOW; f=0 means no input lines are changing.
3. For I/Os VHD = VDDQ - 0.2V, VLD = 0.2V. For other inputs VHD = VDD - 0.2V, VLD = 0.2V.
VDDQ/2
50
I/O
Z0 =50
5301 drw 06 ,
1
2
3
4
20 30 50
100
200
tCD
(Typical, ns)
Capacitance (pF)
80
5
6
5301 drw 07
,
Symbol
Parameter
Test Conditions
Min.
Max.
Unit
|ILI|
Input Leakage Current
VDD = Max., VIN = 0V to VDD
___
5 A
|ILZZ|
ZZ,
LBO and JTAG Input Leakage Current(1)
VDD = Max., VIN = 0V to VDD
___
30
A
|ILO|
Output Leakage Current
VOUT = 0V to VDDQ, Device Deselected
___
5 A
VOL
Output Low Voltage
IOL = +8mA, VDD = Min.
___
0.4
V
VOH
Output High Voltage
IOH = -8mA, VDD = Min.
2.4
___
V
5301 tbl 08
Symbol
Parameter
Test Conditions
200MHz
183MHz
166 MHz
Unit
Com'l
Ind
Com'l
Ind
IDD
Operating Power Supply
Current
Device Selecte d, Outputs Open, VDD = Max.,
VDDQ = Max., VIN > VIH or < VIL, f = fMAX(2)
360
340
350
320
330
mA
ISB1
CMOS Standby Power
Supply Current
Device Deselected, Outputs Open, VDD = Max.,
VDDQ = Max., VIN > VHD or < VLD, f = 0(2,3)
30
35
30
35
mA
ISB2
Clock Running Power
Supply Current
Device Deselected, Outputs Open, VDD = Max.,
VDDQ = Max., VIN > VHD or < VLD, f = fMAX(2,3)
130
120
130
110
120
mA
IZZ
Full Sleep Mode Supply
Current
ZZ > VHD, VDD = Max.
30
35
30
35
mA
5301 tbl 09
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Timing Reference Levels
AC Test Load
0 to 3V
2ns
1.5V
See Figure 1
5301 tbl 10
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