SC16C554BIB80,557 NXP Semiconductors, SC16C554BIB80,557 Datasheet - Page 4

• Manufacturer Part Number: SC16C554BIB80,557
• Description: IC UART QUAD SOT315-1
• Manufacturer: NXP Semiconductors

Specifications of SC16C554BIB80,557

• Number Of Channels: 4, QUART
• Package / Case: 80-LQFP
• Fifo's: 16 Byte
• Voltage - Supply: 2.5V, 3.3V, 5V
• With Auto Flow Control: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Data Rate: 5 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.25 V
• Supply Current: 6 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 2.5 V or 3.3 V or 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 935274934557; SC16C554BIB80; SC16C554BIB80

NXP Semiconductors
SC16C554B_554DB
Product data sheet
Fig 2.
D0 to D7
A0 to A4
RXRDY
RESET
TXRDY
16/68
R/W
Block diagram of SC16C554B/554DB (68 mode)
IRQ
CS
SC16C554B/554DB
INTERRUPT
REGISTER
CONTROL
DATA BUS
CONTROL
SELECT
LOGIC
LOGIC
LOGIC
AND
All information provided in this document is subject to legal disclaimers.
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
Rev. 4 — 8 June 2010
XTAL1
REGISTERS
REGISTERS
TRANSMIT
CONTROL
CONTROL
RECEIVE
GENERATOR
CLOCK AND
BAUD RATE
LOGIC
LOGIC
FLOW
FLOW
FIFO
FIFO
XTAL2
CLKSEL
SC16C554B/554DB
TRANSMIT
REGISTER
REGISTER
RECEIVE
CONTROL
SHIFT
SHIFT
MODEM
LOGIC
002aaa878
© NXP B.V. 2010. All rights reserved.
TXA to TXD
RXA to RXD
DTRA to DTRD
RTSA to RTSD
CTSA to CTSD
RIA to RID
CDA to CDD
DSRA to DSRD
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