74LVC4245AD 查看數據表（PDF） - NXP Semiconductors.
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74LVC4245AD Datasheet PDF : 17 Pages
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NXP Semiconductors
74LVC4245A
Octal dual supply translating transceiver; 3-state
VI
G
VCC
VO
DUT
RT
VEXT
RL
CL
RL
mna616
Fig 8.
Test data is given in Table 8. Definitions for test circuit:
RL = Load resistance.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
Load circuitry for switching times
Table 8. Test data
Supply voltage
VCCA
< 2.7 V
VCCB
< 2.7 V
-
2.7 V to 3.6 V
4.5 V to 5.5 V
-
Input
VI [1]
VCCI
2.7 V
3.0 V
Load
CL
50 pF
50 pF
50 pF
[1] VCCI is the supply voltage associated with the data input port.
[2] VCCO is the supply voltage associated with the output port.
RL
500 Ω
500 Ω
500 Ω
VEXT
tPLH, tPHL
open
open
open
tPZH, tPHZ
GND
GND
GND
tPZL, tPLZ [2]
2 × VCCO
2 × VCCO
2 × VCCO
74LVC4245A_6
Product data sheet
Rev. 06 — 18 January 2008
© NXP B.V. 2008. All rights reserved.
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