ST16C2550IQ48-F Exar Corporation, ST16C2550IQ48-F Datasheet - Page 27

• Manufacturer Part Number: ST16C2550IQ48-F
• Description: IC DUART FIFO 16B 48TQFP
• Manufacturer: Exar Corporation
• Type: RS- 232 or RS- 485r

Specifications of ST16C2550IQ48-F

• Number Of Channels: 2, DUART
• Package / Case: 48-TQFP
• Features: *
• Fifo's: 16 Byte
• Protocol: RS232, RS485
• Voltage - Supply: 2.97 V ~ 5.5 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: TQFP
• No. Of Pins: 48
• 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: 1016-1256

REV. 4.4.1
AC ELECTRICAL CHARACTERISTICS
TA=0
70
S
T
T
T
T
P
OSC
T
T
YMBOL
CLK
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
WDO
MOD
T
RDV
SSR
SRT
F
WRI
WR
RSI
RRI
AH
RD
DD
DH
SSI
INT
RR
WT
AS
CS
DY
DS
-
SI
O
LOAD WHERE APPLICABLE
TO
70
Crystal Frequency
Clock Pulse Duration
External Clock Frequency
Address Setup Time
Address Hold Time
Chip Select Width
IOR# Strobe Width
Read or Write Cycle Delay
Data Access Time
Data Disable Time
IOW# Strobe Width
Data Setup Time
Data Hold Time
Delay From IOW# To Output
Delay To Set Interrupt From
MODEM Input
Delay To Reset Interrupt From IOR#
Delay From Stop To Set Interrupt
Delay From IOR# To Reset Interrupt
Delay From Start To Interrupt
Delay From Initial INT Reset To
Transmit Start
Delay From IOW# To Reset Inter-
rupt
Delay From Stop To Set RXRDY#
Delay From IOR# To Reset
RXRDY#
Delay From IOW# To Set TXRDY#
Delay From Center of Start To
Reset TXRDY#
O
C (-40
O
TO
P
ARAMETER
+85
O
C
FOR INDUSTRIAL GRADE PACKAGE
M
70*
70*
70*
17
10
40
20
5
0
5
8
IN
L
3.3
IMITS
27
M
20
30
35
25
50
40
40
45
45
24
45
45
45
1
1
8
AX
2.97V TO 5.5V DUART WITH 16-BYTE FIFO
), V
M
40
40
40
25
15
8
0
5
0
5
8
IN
CC
L
5.0
IMITS
= 3.3V
M
24
64
25
15
40
35
35
40
40
24
40
40
40
1
1
8
AX
OR
U
MHz
Bclk
Bclk
Bclk
Bclk
5.0V (±10%)
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT
3.3V +10%/-5% and
* 55ns if VCC =
(See Figure 12)
TA = 0 to 70
C
ST16C2550
OMMENTS
o
C