9397 750 15046 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 04 — 26 May 2005 5 of 17
Philips Semiconductors
74ABT16543
16-bit latched transceiver with dual enable; 3-state
2A7 16 2 data input or output 7; A-side
GND 17 ground (0 V)
2
EAB 18 A-to-B output enable input (active LOW)
2
LEAB 19 A-to-B latch enable input (active LOW)
2
OEAB 20 A-to-B enable input (active LOW)
2
OEBA 21 B-to-A output enable input (active LOW)
2
LEBA 22 B-to-A latch enable input (active LOW)
2
EBA 23 B-to-A enable input (active LOW)
2B7 24 2 data input or output 7; B-side
2B6 25 2 data input or output 6; B-side
V
CC
26 supply voltage
2B5 27 2 data input or output 5; B-side
2B4 28 2 data input or output 4; B-side
2B3 29 2 data input or output 3; B-side
GND 30 ground (0 V)
2B2 31 2 data input or output 2; B-side
2B1 32 2 data input or output 1; B-side
2B0 33 2 data input or output 0; B-side
1B7 34 1 data input or output 7; B-side
1B6 35 1 data input or output 6; B-side
1B5 36 1 data input or output 5; B-side
1B4 37 1 data input or output 4; B-side
1B3 38 1 data input or output 3; B-side
1B2 39 1 data input or output 2; B-side
V
CC
40 positive supply voltage
1B1 41 1 data input or output 1; B-side
1B0 42 1 data input or output 0; B-side
GND 43 ground (0 V)
1
EBA 44 B-to-A output enable input (active LOW)
1
LEBA 45 B-to-A latch enable input (active LOW)
1
OEBA 46 B-to-A enable input (active LOW)
1
OEAB 47 A-to-B output enable input (active LOW)
1
LEAB 48 A-to-B latch enable input (active LOW)
1
EAB 49 A-to-B enable input (active LOW)
1A0 50 1 data input or output 0; A-side
1A1 51 1 data input or output 1; A-side
V
CC
52 supply voltage
Table 3: Pin description
…continued
Symbol Pin Description
