Datasheet

  
   
   
SLVS317 − MAY 2001
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Terminal Functions
TERMINAL
NAME
NO.
I/O DESCRIPTION
NAME
TPS2223 TPS2224 TPS2226
I/O
DESCRIPTION
3.3V 13, 14 13, 14 15, 16, 17 I 3.3-V input for card power and chip power
5V 1, 2, 24 1, 2, 24 1, 2, 30 I 5-V input for card power
12V NA 7, 20 7, 24 I 12-V input for card power (xVPP). The two 12-V pins must be externally connected.
AVCC 9, 10 9, 10 9, 10, 11 O Switched output that delivers 3.3 V, 5 V, ground or high impedance to card
AVPP 8 8 8 O
Switched output that delivers 3.3 V, 5 V, 12 V, ground or high impedance to card
(12 V not applicable to TPS2223)
BVCC 17, 18 17, 18 20, 21, 22 O Switched output that delivers 3.3 V, 5 V, ground or high impedance to card
BVPP 19 19 23 O
Switched output that delivers 3.3 V, 5 V, 12 V, ground or high impedance to card
(12 V not applicable for TPS2223)
GND 11 11 12 Ground
OC 15 15 18 O
Open-drain overcurrent reporting output that goes low when an overcurrent
condition exists. An external pullup is required.
SHDN 21 21 25 I
Hi-Z (open) all switches. Identical function to serial D8. Asynchronous active-low
command, internal pullup
RESET 12 12 14 I
Logic-level RESET input active low. Asynchronous active-low command, internal
pullup
CLOCK 4 4 4 I Logic-level clock for serial data word
DATA 3 3 3 I Logic-level serial data word
LATCH 5 5 5 I Logic-level latch for serial data word, internal pulldown
NC
6, 7, 16,
20, 22, 23
6, 16,
22, 23
6, 13, 19,
26−29
No internal connection