SI2457FS18-EVB Silicon Laboratories Inc, SI2457FS18-EVB Datasheet - Page 7

• Manufacturer Part Number: SI2457FS18-EVB
• Description: BOARD EVAL SI2457 + SI3018 16PIN
• Manufacturer: Silicon Laboratories Inc
• Series: ISOmodem®r

Specifications of SI2457FS18-EVB

• Main Purpose: Telecom, Data Acquisition Arrangement (DAA)
• Utilized Ic / Part: Si2457
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Table 6. Switching Characteristics
(V
Parameter
CLKOUT Output Clock Frequency
Baud Rate Accuracy
Start Bit ↓ to RTS ↓
CTS or RTS ↑ High to Start Bit↓
Stop Bit ↑ to CTS ↑
RESET ↓ to RESET ↑
RESET ↑ to 1st AT Command
Address Setup
Address Hold
WR Low Pulse Width
Write Data Setup Time
Write Cycle Time
Chip Select Setup
Chip Select Hold
RD Low Pulse Width
RD Low to Data Driven Time
Data Hold
RD High to Hi-Z Time
Read Cycle Time
Note: All timing is referenced to the 50% level of the waveform. Input test levels are V
D
= 3.0 to 3.6 V, T
A
= 0 to 70 °C for F-Grade)
Preliminary Rev. 0.7
Symbol
t
t
WDSU
t
t
t
t
t
RLDD
t
t
RTH
CTH
t
t
t
CSS
CSH
t
t
RTS
t
t
t
t
WC
WL
DH
RC
BD
RS
AS
AH
RL
DZ
AT
Si2457/34/15/04-Si3008
2.048
Min
300
120
120
5.0
–1
10
15
50
20
10
50
10
—
—
—
—
0
0
1/(2
Rate)
IH
Typ
x
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
= V
Baud
D
– 0.4 V, V
49.152
Max
IL
20
30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
= 0.4 V
Unit
MHz
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
7