74AVC4T245 Datasheet, PDF (14/25 Pages) NXP Semiconductors – 4-bit dual supply translating transceiver with configurable voltage translation; 3-state

NXP Semiconductors
11. Waveforms
74AVC4T245
4-bit dual supply translating transceiver; 3-state
V_I
nAn, nBn input
GND
V_OH
nBn, nAn output
V_OL
V_M
t_PHL
V_M
t_PLH
001aak285
Fig 6.
Measurement points are given in Table 14.
V_OL and V_OH are typical output voltage levels that occur with the output load.
The data input (nAn, nBn) to output (nBn, nAn) propagation delay times
V_I
nOE input
GND
V_CCO
output
LOW-to-OFF
OFF-to-LOW
V_OL
V_OH
output
HIGH-to-OFF
OFF-to-HIGH
GND
V_M
t_PLZ
t_PHZ
V_X
V_Y
outputs
enabled
t_PZL
V_M
t_PZH
outputs
disabled
V_M
outputs
enabled
001aak286
Fig 7.
Measurement points are given in Table 14.
V_OL and V_OH are typical output voltage levels that occur with the output load.
Enable and disable times
Table 14. Measurement points
Supply voltage
Input^[1]
V_CC(A), V_CC(B)
V_M
0.8 V to 1.6 V
0.5V_CCI
1.65 V to 2.7 V
0.5V_CCI
3.0 V to 3.6 V
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
74AVC4T245_1
Product data sheet
Rev. 01 — 20 July 2009
© NXP B.V. 2009. All rights reserved.
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