ATA5749 ATMEL Corporation, ATA5749 Datasheet - Page 23

• Manufacturer Part Number: ATA5749
• Description: Fractional-n PLL Transmitter IC
• Manufacturer: ATMEL Corporation

12. Digital Port Characteristics
V
Schmitt trigger interfaces.
9128C–RKE–10/08
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
S
No. Parameters
1.1
1.2
1.3
= 1.9V to 3.6V, T
SDIN_TXDIN
SCK
EN input
amb
= 40°C to +125°C unless otherwise specified. Typical values are given at V
Test Conditions
“Low” level input voltage
“High” level input voltage
Internal pull-down resistor
“Low” level input voltage
“High” level input voltage
Internal pull-down resistor
“Low” level input voltage
“High” level input voltage
Internal pull-down resistor
Pin
Symbol
R
R
R
V
V
V
V
V
V
PDN
PDN
PDN
ih
ih
ih
II
II
II
V
V
V
S
S
S
Min.
ATA5749 [Preliminary]
160
160
160
– 0.25
– 0.25
– 0.25
0
0
0
S
Typ.
= 3.0V and T
250
250
250
Max.
0.25
0.25
0.25
380
380
380
V
V
V
amb
S
S
S
= 25°C, all inputs are
Unit
k
k
k
V
V
V
V
V
V
Type*
A
A
A
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