TC74VCXR162500FT_07 Datasheet, PDF (10/13 Pages) Toshiba Semiconductor – Low-Voltage 18-Bit Universal Bus Transceiver with 3.6-V Tolerant Inputs and Outputs

AC Test Circuit
Switch
Output
6.0 V or V_CC × 2
Open
GND
Measure
C_L = 30 pF
R_L = 500 Ω
TC74VCXR162500FT
Parameter
t_pLH, t_pHL
t_pLZ, t_pZL
t_pHZ, t_pZH
Switch
6.0 V
V_CC × 2
Open
@V_CC = 3.3 ± 0.3 V
@V_CC = 2.5 ± 0.2 V
@V_CC = 1.8 V
GND
Figure 1
AC Waveform
t_r 2.0 ns
Input
(An, Bn)
t_f 2.0 ns
90%
V_M
10%
Output
(Bn, An)
t_pLH
V_M
t_pHL
V_IH
GND
V_OH
V_OL
Symbol
V_IH
V_M
V_X
V_Y
3.3 ± 0.3 V
2.7 V
1.5 V
V_OL + 0.3 V
V_OH − 0.3 V
V_CC
2.5 ± 0.2 V
V_CC
V_CC/2
V_OL + 0.15 V
V_OH − 0.15 V
1.8 V
V_CC
V_CC/2
V_OL + 0.15 V
V_OH − 0.15 V
Figure 2 t_pLH, t_pHL
t_f 2.0 ns t_r 2.0 ns
Input
90%
( CKAB , CKBA )
V_M
10%
Input
(An, Bn)
t_w (L) t_w (H)
V_M
t_s (H)
t_h (H)
t_s (L)
t_h (L)
Output
(Bn, An)
V_M
t_pHL
t_pLH
Figure 3 t_pLH, t_pHL, t_w, t_s, t_h
V_IH
GND
V_IH
GND
V_OH
V_OL
10
2007-10-19