MAXQ2000 Maxim, MAXQ2000 Datasheet - Page 4

• Manufacturer Part Number: MAXQ2000
• Description: The MAXQ2000 microcontroller is a low-power, 16-bit device that incorporates a liquid-crystal display (LCD) interface that can drive up to 100 (-RBX/-RBX+) or 132 (-RAX/-RAX+/-RFX/-RFX+) segments
• Manufacturer: Maxim

Low-Power LCD Microcontroller
ELECTRICAL CHARACTERISTICS (continued)
(V
4
EXTERNAL CLOCK SOURCE
External-Clock
Frequency
External-Clock Period
System-Clock Frequency
System-Clock Period
REAL-TIME CLOCK
RTC Input Frequency
JTAG/FLASH PROGRAMMING
Flash Erase Time
Flash Programming Time
Write/Erase Cycles
Data Retention
SPI TIMING
SPI Master Operating
Frequency
SPI Slave Operating
Frequency
SCLK Output Pulse-Width
High/Low
SCLK Input Pulse-Width
High/Low
MOSI Output Hold Time
after SCLK Sample Edge
MOSI Output Valid to
Sample Edge
MISO Input Valid to SCLK
Sample Edge Rise/Fall
Setup
MISO Input to SCLK
Sample Edge Rise/Fall
Hold
DD
_____________________________________________________________________
= V
PARAMETER
DD(MIN)
to V
DD(MAX)
, V
t
t
SYMBOL
MCH
DDIO
SCH
1/t
1/t
f
t
t
t
f
32KIN
t
t
CLCL
MOH
MOV
HFIN
f
t
MIS
MIH
CK
CK
MCK
SCK
, t
, t
= 2.7V to 3.6V, T
MCL
SCL
External oscillator, V
External oscillator, V
External crystal, V
External crystal, V
Flash programming, V
Flash programming, V
48% minimum duty cycle
2.25V
1.8V
32kHz watch crystal
Mass erase
Page erase
T
T
C
A
A
L
= +25°C
= +25°C
= 50pF
V
V
DD
A
DD
= -40°C to +85°C.) (Note 1)
2.75V
CONDITIONS
2.75V
DD
DD
DD
DD
< 2.25V
DD
DD
2.25V
< 2.25V
< 2.25V
2.25V
2.25V
t
t
t
10,000
MCK
MCK
MCK
MIN
200
100
- 25
- 25
- 25
2.5
50
50
20
30
0
0
3
3
2
2
0
0
0
/ 2
/ 2
/ 2
t
32.768
SCK
TYP
/ 2
f
f
MAX
CK
CK
5.0
20
14
20
14
20
14
20
14
/ 2
/ 8
cycles
UNITS
years
MHz
MHz
MHz
MHz
kHz
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns