ST16C2552IJ44-F Exar Corporation, ST16C2552IJ44-F Datasheet - Page 30

• Manufacturer Part Number: ST16C2552IJ44-F
• Description: IC UART FIFO 16B DUAL 44PLCC
• Manufacturer: Exar Corporation
• Type: RS- 232 or RS- 485r

Specifications of ST16C2552IJ44-F

• Number Of Channels: 2, DUART
• Package / Case: 44-LCC (J-Lead)
• Features: *
• Fifo's: 16 Byte
• Protocol: RS232, RS485
• Voltage - Supply: 3.3 V ~ 5 V
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Data Rate: 4 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.97 V
• Supply Current: 3 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 3.3 V or 5 V
• No. Of Channels: 2
• Supply Voltage Range: 2.97V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: PLCC
• No. Of Pins: 44
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1016-1258-5

ST16C2552
2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO
F
F
IGURE
IGURE
INT
RXRDY#
INT*
TXRDY#
IOW#
RX
IOR#
(Reading data
out of RHR)
TX
(Unloading)
(Loading data
into THR)
*INT is cleared when the ISR is read or when data is loaded into the THR.
16. R
17. T
IER[1]
enabled
RANSMIT
ECEIVE
T
WRI
R
T
Start
Start
Bit
WT
R
Bit
EADY AND
EADY
ISR is read
D0:D7
T
& I
D0:D7
SRT
NTERRUPT
I
NTERRUPT
T
WRI
Stop
Stop
Bit
Bit
T
RR
in RHR
1 Byte
Ready
Active
T
T
T
Data
T
T
SSR
IMING
SSR
WT
IMING
[N
ISR is read
[N
T
D0:D7
ON
D0:D7
SRT
ON
30
-FIFO M
-FIFO M
ODE
T
ODE
RR
in RHR
1 Byte
Ready
Active
T
T
Data
]
SSR
SSR
]
FOR
FOR
T
WRI
C
C
HANNELS
HANNELS
T
WT
D0:D7
A & B
A & B
ISR is read
D0:D7
T
SRT
TXNonFIFO
T
RR
T
in RHR
1 Byte
Ready
Active
SSR
T
Data
SSR
RXNFM
REV. 4.2.2