Datasheet

Parameter Conditions Min Typ Max Unit
DATA LOAD
Sense Internally Pulled High (100 kΩ) 150 300 ns
to V
S
. Logic LO Allows
Data to be Loaded into the
Counters from the Data Lines
BUSY
3
Sense Logic HI When Position O/P
Changing
Width 200 600 ns
Load Use Additional Pull-Up 1 LSTTL
DIRECTION
3
Sense Logic HI Counting Up
Logic LO Counting Down
Max Load 3 LSTTL
RIPPLE CLOCK
3
Sense Logic HI
All 1s to All 0s
All 0s to All 1s
Width Dependent on Input Velocity 300
Reset Before Next Busy
Load 3 LSTTL
DIGITAL INPUTS
High Voltage, V
IH
INHIBIT, ENABLE 2.0 V
DB1–DB16, Byte Select
±V
S
= ±10.8 V, V
L
= 5.0 V
Low Voltage, V
IL
INHIBIT, ENABLE 0.8 V
DB1–DB16, Byte Select
±V
S
= ±13.2 V, V
L
= 5.0 V
DIGITAL INPUTS
High Current, I
IH
INHIBIT, ENABLE ⴞ100 µA
DB1–DB16
±V
S
= ±13.2 V , V
L
= 5.5 V
Low Current, I
IL
INHIBIT, ENABLE ⴞ100 µA
DB1–DB16, Byte Select
±V
S
= ±13.2 V, V
L
= 5.5 V
DIGITAL INPUTS
Low Voltage, V
IL
ENABLE = HI 1.0 V
SC1, SC2, Data Load
±V
S
= ±12.0 V, V
L
= 5.0 V
Low Current, I
IL
ENABLE = HI –400 µA
SC1, SC2, Data Load
±V
S
= ±12.0 V, V
L
= 5.0 V
DIGITAL OUTPUTS
High Voltage, V
OH
DB1–DB16 2.4 V
RIPPLE CLK, DIR
±V
S
= ±12.0 V, V
L
= 4.5 V
I
OH
= 100 µA
Low Voltage, V
OL
DB1–DB16 0.4 V
RIPPLE CLK, DIR
±V
S
= ±12.0 V, V
L
= 5.5 V
I
OL
= 1.2 mA
THREE-STATE LEAKAGE DB1–DB16 Only
Current I
L
±V
S
= ±12.0 V, V
L
= 5.5 V ±100 µA
V
OL
= 0 V
±V
S
= ±12.0 V, V
L
= 5.5 V ±100 µA
V
OH
= 5.0 V
NOTES
1
Refer to small signal bandwidth.
2
Output offset dependent on value for R6.
3
Refer to timing diagram.
Specifications subject to change without notice.
All min and max specifications are guaranteed. Specifications in boldface are tested on all production units at final electrical test.
AD2S80A
REV. B
–3–