AS7C33256PFS18A-166TQC 查看數據表（PDF） - Alliance Semiconductor
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AS7C33256PFS18A-166TQC Datasheet PDF : 11 Pages
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®
TQFP thermal resistance
Description
Thermal resistance
(junction to ambient)*
Thermal resistance
(junction to top of case)*
* This parameter is sampled.
Conditions
Test conditions follow standard test
methods and procedures for measuring
thermal impedance, per EIA/JESD51
Symbol
θJA
θJC
AS7C33256PFS16A
AS7C33256PFS18A
Typical
46
2.8
Units
°C/W
°C/W
DC electrical characteristics
–166
–150
–133
–100
Parameter
Symbol
Test conditions
Min Max Min Max Min Max Min Max Unit
Input leakage
current*
|ILI| VDD = Max, VIN = GND to VDD – 2 – 2 – 2 – 2 µA
Output leakage
current
Operating power
supply current
Standby power
supply current
Output voltage
|ILO|
OE ≥ VIH, VDD = Max,
VOUT = GND to VDD
– 2 – 2 – 2 – 2 µA
ICC
CE0 = VIL, CE1 = VIH, CE2 = VIL,
f = fMax, IOUT = 0 mA
–
475
–
450
–
425
–
325 mA
ISB
Deselected, f = fMax, ZZ ≤ VIL – 130 – 110 – 100 – 90
Deselected, f = 0, ZZ ≤ 0.2V
ISB1
all VIN ≤ 0.2V or ≥ VDD – 0.2V – 30 – 30 – 30 – 30 mA
ISB2
Deselected, f = fMax, ZZ ≥ VDD – 0.2V
All VIN ≤ VIL or ≥ VIH
–
30
–
30
–
30
–
30
VOL
IOL = 8 mA, VDDQ = 3.465V
– 0.4 – 0.4 – 0.4 – 0.4
V
VOH IOH = –4 mA, VDDQ = 3.135V 2.4 – 2.4 – 2.4 – 2.4 –
* LBO pin has an internal pull-up and input leakage = ±10 µa.
Note: ICC give with no output loading. ICC increases with faster cycle times and greater output loading.
DC electrical characteristics for 2.5V I/O operation
Parameter
Output leakage
current
Output voltage
Symbol
|ILO|
VOL
VOH
Test conditions
OE ≥ VIH, VDD = Max,
VOUT = GND to VDD
IOL = 2 mA, VDDQ = 2.65V
IOH = –2 mA, VDDQ = 2.35V
–166
–150
–133
–100
Min Max Min Max Min Max Min Max Unit
–1 1 –1 1 –1 1 –1 1 µA
– 0.7 – 0.7 – 0.7 – 0.7
V
1.7 – 1.7 – 1.7 – 1.7 –
Timing characteristics over operating range
–166
Parameter
Symbol Min Max
Clock frequency
Cycle time (pipelined mode)
Cycle time (flow-through mode)
Clock access time (pipelined mode)
fMax – 166
tCYC
6
–
tCYCF 10 –
tCD
– 3.5
–150
Min Max
– 150
6.6 –
10 –
– 3.8
–133
Min Max
– 133
7.5 –
12 –
– 4.0
–100
Min Max
– 100
10 –
12 –
– 5.0
Unit Notes*
MHz
ns
ns
ns
3/14/01; V.1.0
Alliance Semiconductor
P. 5 of 11
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