TL16C552A, TL16C552AM
DUAL ASYNCHRONOUS COMMUNICATIONS ELEMENT
WITH FIFO
SLLS189D – NOVEMBER 1994 – REVISED JANUARY 1999
recommended operating conditions
MIN
Supply voltage, VDD
Clock high-level input voltage, VIH(CLK)
Clock low-level input voltage, VIL(CLK)
High-level input voltage, VIH
Low-level input voltage, VIL
Clock frequency, fclock
Operating free-air temperature, TA
free air temperature
I suffix
M suffix
– 40
– 55
4.75
2
0
2
0
NOM
5
MAX
5.25
VDD
0.8
VDD
0.8
16
85
125
UNIT
V
V
V
V
V
MHz
°C
package thermal characteristics
PARAMETER
R
θJA
R
θJC
TJ
Junction-to-ambient thermal impedance
Junction-to-case thermal impedance
Junction temperature
TEST CONDITIONS
Board mounted, no air flow
FN Package
MIN
TYP
52
14
115
MAX
HV Package
MIN
TYP
74
3
150
MAX
UNIT
°C/W
°C/W
°C/W
electrical characteristics over recommended ranges of operating free-air temperature and supply
voltage (unless otherwise noted)
PARAMETER
VOH
VOL
High-level output voltage
TEST CONDITIONS
IOH = – 12 mA for PD0 – PD7,
IOH = – 4 mA for all other outputs (see Note 2),
IOL = 12 mA for PD0 – PD7,
IOL = 12 mA for INIT, AFD, STB, and SLIN,
IOL = 4 mA for all other outputs
VDD = 5.25 V (see Note 3),
All other terminals are floating
VI = 0 to 5.25 V
VDD = 5 25 V
5.25 V,
VO = 0 with chip deselected or
chi
VO = 5 25 V with chip and write mode selected (see Note 2)
5.25
VDD = 5.25 V
5 25 V,
In uts at 0 8 V or 2 V
V,
Inputs 0.8
No loads on outputs,
outputs
fclock = 8 MHz
MIN
2.4
MAX
UNIT
V
Low-level output voltage
0.4
±
10
±
10
±
20
50
V
µA
µA
µA
mA
II
II(CLK)
IOZ
IDD
Input current
Clock input current
High-impedance output current
High im edance out ut
Supply current
NOTES: 2. Excluding INIT, AFD, STB, and SLIN. They are open-drain terminals with an internal pullup resistor to VDD of approximately 10 KΩ.
3. Excluding the TRI input terminal. It contains an internal pulldown resistor of approximately 5 kΩ.
clock timing requirements over recommended ranges of operating free-air temperature and supply
voltage
MIN
tw1
tw2
tw3
Pulse duration, CLK
↑
(external clock) (see Figure 1)
Pulse duration, CLK
↓
(external clock) (see Figure 1)
Pulse duration, RESET
31
31
1000
MAX
UNIT
ns
ns
ns
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
7
TI [ TEXAS INSTRUMENTS ]
