STPCI01 STMicroelectronics, STPCI01 Datasheet - Page 39

• Manufacturer Part Number: STPCI01
• Description: STPC INDUSTRIAL - PC COMPATIBLE EMBEDED MICROPROC
• Manufacturer: STMicroelectronics

4.5 AC CHARACTERISTICS
Table 4-5
characteristics including output delays, input
setup requirements, input hold requirements and
output float delays. These measurements are
based on the measurement points identified in
Figure
VREF, and other reference levels are shown in
Table 4-4
output signals must cross these levels during
Table 4-4. Drive Level and Measurement Points for Switching Characteristics
Note: Refer to
Figure 4-1. Drive Level and Measurement Points for Switching Characteristics
CLK:
OUTPUTS:
INPUTS:
LEGEND:
4-1. The rising clock edge reference level
below for the STPC Industrial. Input or
through
Symbol
V
V
V
Figure
REF
IHD
ILD
A - Maximum Output Delay Specification
B - Minimum Output Delay Specification
C - Minimum Input Setup Specification
D - Minimum Input Hold Specification
Valid
Output n
4-1.
Table 4-22
B
list the AC
A
MIN
Issue 2.4 - February 11, 2002
Value
1.5
3.0
0.0
MAX
V
testing.
Figure 4-1
input setup and hold times (C and D). Input setup
and hold times (C and D) are specified minimums,
defining the smallest acceptable sampling window
a synchronous input signal must be stable for
correct operation.
Ref
C
Valid
Output n+1
Valid
Input
Tx
ELECTRICAL SPECIFICATIONS
shows output delay (A and B) and
D
Units
V
V
V
V
V
V
Ref
ILD
IHD
V
V
V
Ref
ILD
IHD
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