TC74VCX2574FT_07 Datasheet, PDF (7/11 Pages) Toshiba Semiconductor – Low-Voltage Octal D-Type Flip-Flop with 3.6-V Tolerant Inputs and Outputs

TC74VCX2574FT/FK
Dynamic Switching Characteristics (Ta = 25°C, input: t_r = t_f = 2.0 ns, C_L = 30 pF)
Characteristics
Symbol
Test Condition
Quiet output maximum dynamic V_OL
Quiet output minimum dynamic V_OL
Quiet output minimum dynamic V_OH
V_OLP
V_OLV
V_OHV
V_IH = 1.8 V, V_IL = 0 V
V_IH = 2.5 V, V_IL = 0 V
V_IH = 3.3 V, V_IL = 0 V
V_IH = 1.8 V, V_IL = 0 V
V_IH = 2.5 V, V_IL = 0 V
V_IH = 3.3 V, V_IL = 0 V
V_IH = 1.8 V, V_IL = 0 V
V_IH = 2.5 V, V_IL = 0 V
V_IH = 3.3 V, V_IL = 0 V
Note: Parameter guaranteed by design.
Typ. Unit
V_CC (V)
(Note) 1.8 0.15
(Note) 2.5
0.25
V
(Note) 3.3 0.35
(Note) 1.8 −0.15
(Note) 2.5 −0.25 V
(Note) 3.3 −0.35
(Note) 1.8 1.55
(Note) 2.5
2.05
V
(Note) 3.3 2.65
Capacitive Characteristics (Ta = 25°C)
Characteristics
Input capacitance
Output capacitance
Power dissipation capacitance
Symbol
Test Condition
C_IN
⎯
C_O
⎯
C_PD f_IN = 10 MHz
V_CC (V)
Typ. Unit
1.8, 2.5, 3.3
6
pF
1.8, 2.5, 3.3
7
pF
(Note) 1.8, 2.5, 3.3 20
pF
Note:
C_PD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
I_{CC (opr)} = C_PDï½¥V_CCï½¥f_IN + I_CC/8 (per bit)
AC Test Circuit
Switch
Output
6.0 V or V_CC × 2
Open
GND
Measure
C_L = 30 pF
R_L = 500 Ω
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
7
2007-10-19