MIC2564A
Micrel
Pin Configuration
V
CC5
IN
A V
CC
OUT
V
CC5
IN
A FLAG
SDA
SCL
RST#
SLA
B FLAG
V
CC5
IN
B V
CC
OUT
V
CC5
IN
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
A V
CC
OUT
V
CC3
IN
A V
CC
OUT
GND
A V
PP
OUT
V
PP
IN
V
PP
IN
B V
PP
OUT
GND
B V
CC
OUT
V
CC3
IN
B V
CC
OUT
24-lead SSOP (SM)
24-lead TSSOP (TS)
Pin Description
Pin Number
1,3,10,12
2,22,24
4
5
6
7
8
9
11,13,15
14,23
16,21
17
18,19
20
Pin Name
V
CC5
IN
A V
CC
OUT
A FLAG
SDA
SCL
RST#
SLA
B FLAG
B V
CC
OUT
V
CC3
IN
GND
B V
PP
OUT
V
PP
IN
A V
PP
OUT
Pin Function
5V Supply Input: Optional system power supply connection. Required only
for 5V V
CC
and V
PP
output voltage.
Slot A V
CC
Output: Pins 2, 22, and 24 must be externally connected
together.
Channel A V
CC
and V
PP
Output Monitor (Output): Low on error condition.
Serial Data (Input)
Serial Clock (Input)
System Reset (Input): Active low signal deactivates the MIC2564A, clearing
the serial registers and forcing the four power outputs to 0V (GND).
Serial Data Latch (Input)
Channel B V
CC
and V
PP
Output Monitor (Output): Low on error condition.
Slot B V
CC
Output: Pins 11, 13, and 15 must be externally connected
together.
3.3V Supply Input: Required system power supply connection. Powers 3.3V
V
CC
and V
PP
outputs and all internal circuitry.
Ground
Slot B V
PP
Output
12V Supply Input: Optional system power supply connection. Required only
for 12V V
PP
output voltage.
Slot A V
PP
Output
MIC2564A
2
September 1999
MICREL [ MICREL SEMICONDUCTOR ]
