DS2251T-128-16 Maxim Integrated Products, DS2251T-128-16 Datasheet - Page 20

• Manufacturer Part Number: DS2251T-128-16
• Description: IC MICROCNTRLR 128K 16MHZ 72SIMM
• Manufacturer: Maxim Integrated Products
• Series: DS225xr

Specifications of DS2251T-128-16

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SIO, UART/USART
• Peripherals: Power-Fail Reset, WDT
• Number Of I /o: 32
• Program Memory Type: SRAM
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 72-SIMM
• Processor Series: DS2251T
• Core: 8051
• Data Bus Width: 8 bit
• Program Memory Size: 128 KB
• Data Ram Size: 128 KB
• Interface Type: UART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 2
• Operating Supply Voltage: 4.75 V to 5.25 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: No

NOTES:
1. All voltages are referenced to ground.
2. Maximum operating I
3. Idle mode I
4. Stop mode I
5. Pin capacitance is measured with a test frequency—1MHz, T
6. Crystal startup time is the time required to get the mass of the crystal into vibrational motion from the
7.
t
10ns, V
connected; RST = XTAL1 = V
time that power is first applied to the circuit until the first clock pulse is produced by the on-chip
oscillator. The user should check with the crystal vendor for a worst-case specification on this time.
PF
CLKF
pin operation is specified with V
=10ns, V
IL
= 0.5V; XTAL2 disconnected; PORT0 = V
IDLE
STOP
IL
= 0.5V; XTAL2 disconnected; RST = PORT0 = V
is measured with all output pins disconnected; XTAL1 driven with t
is measured with all output pins disconnected; PORT0 = V
CC
is measured with all output pins disconnected; XTAL1 driven with t
SS
.
BAT
≥ 3.0V.
20 of 22
CC
, RST = V
A
= +25°C.
SS
CC
.
.
CC
; XTAL2 not
CLKR
, t
CLKF
CLKR
=
,