74LVC1T45 Datasheet, PDF (15/30 Pages) NXP Semiconductors – Dual supply translating transceiver; 3-state

NXP Semiconductors
74LVC1T45; 74LVCH1T45
Dual supply translating transceiver; 3-state
Table 14. Measurement points
Supply voltage
Input^[1]
V_CC(A), V_CC(B)
1.2 V to 1.6 V
1.65 V to 2.7 V
3.0 V to 5.5 V
V_M
0.5V_CCI
0.5V_CCI
0.5V_CCI
Output^[2]
V_M
0.5V_CCO
0.5V_CCO
0.5V_CCO
[1] V_CCI is the supply voltage associated with the data input port.
[2] V_CCO is the supply voltage associated with the output port.
V_X
V_OL + 0.1 V
V_OL + 0.15 V
V_OL + 0.3 V
V_Y
V_OH − 0.1 V
V_OH − 0.15 V
V_OH − 0.3 V
t_W
V_{I 90 %}
negative
pulse
V_M
10 %
0V
t_f
V_I
positive
pulse
t_r
90 %
V_M
10 %
0V
t_W
V_M
t_r
t_f
V_M
V_I
G
V_CC
V_O
DUT
V_EXT
RL
RT
CL
RL
Test data is given in Table 15.
R_L = Load resistance.
C_L = Load capacitance including jig and probe capacitance.
R_T = Termination resistance.
V_EXT = External voltage for measuring switching times.
Fig 8. Load circuitry for switching times
001aae331
Table 15. Test data
Supply voltage Input
V_CC(A), V_CC(B)
1.2 V to 5.5 V
V_I[1]
V_CCI
Δt/ΔV^[2]
≤ 1.0 ns/V
Load
C_L
15 pF
[1] V_CCI is the supply voltage associated with the data input port.
[2] dV/dt ≥ 1.0 V/ns
[3] V_CCO is the supply voltage associated with the output port.
R_L
2 kΩ
V_EXT
t_PLH, t_PHL
open
t_PZH, t_PHZ
GND
t_PZL, t_PLZ[3]
2V_CCO
74LVC_LVCH1T45_2
Product data sheet
Rev. 02 — 19 January 2010
© NXP B.V. 2010. All rights reserved.
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