ST16C2552CJ44 EXAR [Exar Corporation], ST16C2552CJ44 Datasheet - Page 27

• Manufacturer Part Number: ST16C2552CJ44
• Description: 2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO
• Manufacturer: EXAR [Exar Corporation]

REV. 4.2.1
AC ELECTRICAL CHARACTERISTICS
TA=0
70
S
T
T
YMBOL
T
T
T
T
OSC
T
P
CLK
T
T
T
T
T
T
T
T
T
T
Bclk
T
T
T
T
T
T
T
WDO
MOD
RDV
WRI
SSR
SRT
RST
F
WR
RSI
SSI
RRI
INT
N
AH
RD
DD
DH
RR
WT
AS
CS
DY
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 Cycle Delay
Data Access Time
Data Disable Time
IOW# Strobe Width
Write Cycle Delay
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 Interrupt
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#
Reset Pulse Width
Baud Rate Divisor
Baud Clock
O
C (-40
O
TO
+85
O
C
FOR INDUSTRIAL GRADE PACKAGE
P
ARAMETER
27
2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO
), V
CC IS
M
17
10
66
35
40
40
40
20
40
IN
5
0
5
8
1
2.97
L
IMITS
3.3
TO
16X of data rate
2
M
16
20
30
35
25
50
40
40
45
45
24
45
45
45
1
1
8
5.5V
AX
-1
M
IN
50
25
30
25
30
15
40
8
0
5
0
5
8
1
L
IMITS
5.0
ST16C2552
2
24
64
25
15
40
35
35
40
40
24
40
40
40
16
M
1
1
8
AX
-1
U
MHz
MHz
Bclk
Bclk
Bclk
Bclk
Hz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT
-