Agilent Technologies 93000 SOC Series Training Manual page 24

Test Engineer's Responsibilities
S0
_OE1
_OE2
I/O6
I/O4
I/O2
I/O0
Q0
_MR
GND
24
Absolute Maximum Ratings
Supply Voltage (V
Current per Output Pin ±24 mA (I
Recommended Operating Conditions
Supply Voltage (V
Input Voltage (V
Operating Temperature (TA)–
1 20 Vcc
2 19 S1
3 18 DS7
4 17 Q7
5 16 I/O7
6 15 I/O5
7 14 I/O3
8 13 I/O1
9 12 CP
10 11 DS0
Figure 2 74ACT299 Shift Register
Table 3 74ACT299 Pin Names and Descriptions
Pin Names
CP
DS0, DS7
S0, S1
_MR
_OE1, _OE2
IO0 ... IO7
Q0, Q7
Agilent 93000 SOC Series User Training Part 1, October 2004
) –0.5 V to 7.0 V DC
cc
or IGND)
cc
)
cc
)
in
Logic Diagram
CP _MR
DS0
Q0
I/O0
I/O1
Description
Clock pulse input
Serial data input for right/left shift
Mode select pins
Asynchronous master reset
Tri-state output enable inputs
Parallel data inputs or tri-state parallel outputs
Serial outputs
2-2 Creating a Test Plan
4.5 V to 5.5 V
0 V to V
cc
40°C to +85°C
S0 S1 _OE1 _OE2
Control
I/O2 I/O6 I/O7
DS7
Q7