MIC2564A
Micrel
Ordering Information
Part Number
MIC2564A-0BSM
MIC2564A-1BSM*
MIC2564A-0BTS
MIC2564A-1BTS*
MIC2564A-0YTS
MIC2564A-1YTS*
Temperature Range
–40∞C to +85∞C
–40∞C to +85∞C
–40∞C to +85∞C
–40∞C to +85∞C
–40∞C to +85∞C
–40∞C to +85∞C
Package
24-pin SSOP
24-pin SSOP
24-pin TSSOP
24-pin TSSOP
24-pin TSSOP
24-pin TSSOP
Lead-Finish
Standard
Standard
Standard
Standard
Lead-free
Lead-free
* -1 option: independent V
PP
OUT and V
CC
OUT programming
Pin Configuration
VCC5 IN 1
A VCC OUT 2
VCC5 IN 3
A FLAG 4
SDA 5
SCL 6
RST# 7
SLA 8
B FLAG 9
VCC5 IN 10
B VCC OUT 11
VCC5 IN 12
24 A VCC OUT
23 VCC3 IN
22 A VCC OUT
21 GND
20 A VPP OUT
19 VPP IN
18 VPP IN
17 B VPP OUT
16 GND
15 B VCC OUT
14 VCC3 IN
13 B VCC 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
M0250-031104
Pin Name
VCC5 IN
A VCC OUT
A FLAG
SDA
SCL
RST#
SLA
B FLAG
B VCC OUT
VCC3 IN
GND
B VPP OUT
VPP IN
A VPP 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.
2
March 2004
MICREL [ MICREL SEMICONDUCTOR ]
