MAX3397E 查看數據表（PDF） - Maxim Integrated
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MAX3397E Datasheet PDF : 13 Pages
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Dual Bidirectional Low-Level
Translator in µDFN
TIMING CHARACTERISTICS (continued)
(VCC = +1.65V to +5.5V, VL = +1.2V to +5.5V, RLOAD = 1MΩ, CLOAD = 15pF, driver output impedance ≤ 50Ω, I/O test signal of
Figure 1, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +3.3V, VL = +1.8V, TA = +25°C.) (Notes 1, 2)
PARAMETER
+1.8V ≤ VL ≤ VCC ≤ +3.3V
I/O VCC_ Rise Time
I/O VCC_ Fall Time
I/O VL_ Rise Time
I/O VL_ Fall Time
Propagation Delay
Channel-to-Channel Skew
Maximum Data Rate
SYMBOL
CONDITIONS
tRVCC
tFVCC
tRVL
tFVL
tPD-VL-VCC
tPD-VCC-VL
tSKEW
Figure 1a (Note 5)
Figure 1a (Note 6)
Figure 1b (Note 5)
Figure 1b (Note 6)
Driving I/O VL_
Driving I/O VCC_
Each translator equally loaded
MIN TYP MAX UNITS
15
ns
15
ns
15
ns
15
ns
15
ns
15
10
ns
16
Mbps
Note 1: All units are 100% production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design
and not production tested.
Note 2: For normal operation, ensure VL < (VCC + 0.3V).
Note 3: When VCC is below VL by more than the tri-state threshold, the device turns off its pullup resistors and I/O_ enters tri-state.
The device is not in shutdown.
Note 4: To ensure maximum ESD protection, place a 1µF capacitor between VCC and GND. See the Typical Application Circuit.
Note 5: 10% of input to 90% of output.
Note 6: 90% of input to 10% of output.
Typical Operating Characteristics
(VCC = +3.3V, VL = +1.8V, RLOAD = 1MΩ, CLOAD = 15pF, TA = +25°C, data rate = 8Mbps, unless otherwise noted.)
VL SUPPLY CURRENT vs. VCC SUPPLY VOLTAGE
(DRIVING ONE I/O VL_)
300
250
200
150
100
50
0
1.65 2.20 2.75 3.30 3.85 4.40 4.95 5.50
VCC SUPPLY VOLTAGE (V)
VL SUPPLY CURRENT vs. VCC SUPPLY VOLTAGE
(DRIVING ONE I/O VCC_)
250
200
150
100
50
0
1.65 2.20 2.75 3.30 3.85 4.40 4.95 5.50
VCC SUPPLY VOLTAGE (V)
VCC SUPPLY CURRENT vs. VL SUPPLY VOLTAGE
(DRIVING ONE I/O VL_)
800
700
600
500
400
300
200
100
0
1.2
1.9
2.6
3.3
VL SUPPLY VOLTAGE (V)
4 _______________________________________________________________________________________
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