SN74ALVC164245 Datasheet, PDF (10/20 Pages) Texas Instruments – 16-BIT 3.3-V TO 5-V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS

SN74ALVC164245
16-BIT 2.5-V TO 3.3-V/3.3-V TO 5-V LEVEL-SHIFTING TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS416P – MARCH 1994 – REVISED NOVEMBER 2005
PARAMETER MEASUREMENT INFORMATION
V_CCA = 3.3 V ± 0.3 V to V_CCB = 5 V ± 0.5 V
From Output
Under Test
C_L = 50 pF
(see Note A)
500 Ω
500 Ω
2 V_CCB
S1
Open
GND
TEST
t_pd
t_PLZ/t_PZL
t_PHZ/t_PZH
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S1
Open
2 V_CCB
GND
LOAD CIRCUIT
Output
Control
(low-level
enabling)
1.5 V
1.5 V
2.7 V
0V
Input
1.5 V
t_PLH
1.5 V
2.7 V
0V
t_PHL
Output
50% V_CCB
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
V_OH
50% V_CCB
V_OL
Output
Waveform 1
S1 at 2 V_CCB
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
t_PZL
t_PLZ
t_PZH
50% V_CCB
≈V_CCB
20% V_CCB
V_OL
t_PHZ
50% V_CCB
V_OH
80% V_CCB
0V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
NOTES: A. C_L includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z_O = 50 Ω, t_r ≤ 2.5 ns, t_f ≤ 2.5 ns.
D. The outputs are measured one at a time, with one transition per measurement.
E. t_PLZ and t_PHZ are the same as t_dis.
F. t_PZL and t_PZH are the same as t_en.
G. t_PLH and t_PHL are the same as t_pd.
Figure 3. Load Circuit and Voltage Waveforms
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