MIC2563A
Micrel
Ordering Information
Part Number
MIC2563A-0BSM
MIC2563A-1BSM
MIC2563A-0YSM
MIC2563A-1YSM
Temperature Range
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
Package
28-pin SSOP
28-pin SSOP
28-pin SSOP
28-pin SSOP
Lead-Finish
Standard
Standard
Lead-free
Lead-free
Note:
See “MIC2563A-0 and MIC2563A-1 Control Logic Table“ for a description of the
differences between the logic options.
Pin Configuration
A VCC5 IN 1
A VCC OUT 2
A VCC5 IN 3
GND 4
A VCC5_EN 5
A VCC3_EN 6
A EN0 7
A EN1 8
B VPP IN 9
B VPP OUT 10
NC 11
B VCC OUT 12
B VCC3 IN 13
B VCC OUT 14
28 A VCC OUT
27 A VCC3 IN
26 A VCC OUT
25 NC
24 A VPP OUT
23 A VPP IN
22 B EN1
21 B EN0
20 B VCC3_EN
19 B VCC5_EN
18 GND
17 B VCC5 IN
16 B VCC OUT
15 B VCC5 IN
28-Pin SSOP (SM)
Connect all pins with the same name together for proper operation.
MIC2563A-1 Redefined Pin Assignment
Function
VPP_VCC
VPP_PGM
Pin Number
Slot A
Slot B
7
21
8
22
Some pin names for the MIC2563A-1 are different from the
MIC2563A-0. This table shows the differences. All other pin
names are identical to the MIC2563A-0 as shown in the “Pin
Configuration,” above.
M9999-110503
2
March 2004
MICREL [ MICREL SEMICONDUCTOR ]
