SC28L91A1B,551 NXP Semiconductors, SC28L91A1B,551 Datasheet - Page 35

• Manufacturer Part Number: SC28L91A1B,551
• Description: IC UART SINGLE W/FIFO 44-PQFP
• Manufacturer: NXP Semiconductors
• Series: IMPACTr
• Type: Single Channel UARTr

Specifications of SC28L91A1B,551

• Number Of Channels: 1, UART
• Package / Case: 44-MQFP, 44-PQFP
• Features: False-start Bit Detection
• Fifo's: 16 Byte
• Voltage - Supply: 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: 0.2304 MBd
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3 V
• Supply Current: 25 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 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: 568-1187; 935267419551; SC28L91A1B-S

Philips Semiconductors
2004 Oct 21
NOTE: DACKN low requires two rising edges of X1 clock after CSN is low.
3.3 V or 5.0 V Universal Asynchronous
Receiver/Transmitter (UART)
DTACKN
X1/CLK
(a) INPUT PINS
(b) OUTPUT PINS
IACKN
D0–D7
INTRN
OP0–OP7
IP0–IP6
WRN
RDN
Figure 8. Interrupt Cycle Timing (68XXX mode)
t
PS
t
t
CSC
DD
OLD DATA
Figure 9. Port Timing
t
DAL
35
t
DCR
t
t
PH
CSD
t
PD
t
DAH
t
DAT
NEW DATA
t
DF
SD00135
SD00149
SC28L91
Product data sheet