LH540245M-35 データシートの表示（PDF） - Sharp Electronics
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LH540245M-35 Datasheet PDF : 46 Pages
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LH540235/45
2048 x 18/4096 x 18 Synchronous FIFOs
ABSOLUTE MAXIMUM RATINGS
PARAMETER
RATING
Supply Voltage to VSS Potential
Signal Pin Voltage to VSS Potential
DC Output Current 1
Temperature Range with Power
Applied 2
–0.5 V to 7 V
–0.5 V to VCC + 0.5 V
±75 mA
–55°C to 125°C
Storage Temperature Range
Power Dissipation (PLCC Pack-
age Limit)
–65°C to 150°C
2W
NOTES:
1. Only one output may be shorted at a time, for a period not
exceeding 30 seconds.
2. Measured with clocks idle.
OPERATING RANGE
SYMBOL
TA
VCC
VSS
VIL
VIH
PARAMETER
Temperature, Ambient
Supply Voltage
Supply Voltage
Logic LOW Input Voltage
Logic HIGH Input Voltage
MIN.
0
4.5
0
– 0 .5
2.0
MAX.
70
5.5
0
0.8
VCC + 0.5
DEVICE
UNDER
TEST
+5 V
1.1 k Ω
680 Ω
30 pF *
* INCLUDES JIG AND SCOPE CAPACITANCES 540235-3
Figure 4. Output Load Circuit
UNIT
C
V
V
V
V
DC ELECTRICAL CHARACTERISTICS (Over Operating Range)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN. MAX. UNIT
ILI
Input Leakage
VCC = 5.5 V, VIN = 0 V to VCC
–10
10
µA
ILO
I/O Leakage
OE ≥ VIH, 0 V ≤ VOUT ≤ VCC
–10
10
µA
VOH
Output HIGH Voltage
IOH = –8.0 mA
2.4
V
VOL
Output LOW Voltage
IOL = 16.0 mA
ICC
Average Operating Supply Current 1,2 Measured at fCC = 50 MHz
ICC2
Average Standby Supply Current 2
All inputs = VIHMIN (clocks idle)
ICC3
Power-Down Supply Current 2
All inputs = VCC – 0.2 V (clocks idle)
ICC4
Power-Down Supply Current 2
All inputs = VCC – 0.2 V (clocks at 50 MHz)
0.4
V
245 mA
25
mA
1
mA
1
mA
NOTES:
1. Output load is disconnected.
2. ICC, ICC2, and ICC3 are dependent upon actual output loading, and ICC and ICC4 are also dependent on cycle rates. Specified values are with
outputs open; and, for ICC and ICC4, operating at minimum cycle times.
AC TEST CONDITIONS
PARAMETER
Input Pulse Levels
Input Rise and Fall Times (10% to 90%)
Input Timing Reference Levels
Output Timing Reference Levels
Output Load,
Timing Tests
(Figure 5)
R1 (Top Resistor)
R2 (Bottom Resistor)
CL (Load Capacitance)
RATING
VSS to 3 V
3 ns
1.5 V
1.5 V
1.1k Ω
680 Ω
30 pF
CAPACITANCE
PARAMETER
CIN (Input Capacitance) VIN = 0 V
COUT (Output Capacitance) VOUT = 0 V
RATING
9 pF
9 pF
BOLD ITALIC = Enhanced Operating Mode
8
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