TN80C188EA20 Intel, TN80C188EA20 Datasheet - Page 29

• Manufacturer Part Number: TN80C188EA20
• Description: IC MPU 16-BIT 5V 20MHZ 68-PLCC
• Manufacturer: Intel

Specifications of TN80C188EA20

• Rohs Status: RoHS non-compliant
• Processor Type: 80C188
• Features: EA suffix, 16-Bit, Extended Temp
• Speed: 20MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Other names: 803497

AC SPECIFICATIONS
Relative Timings (80C186EA25 20 13 80L186EA13 8)
NOTES
1 Assumes equal loading on both pins
2 Can be extended using wait states
3 Not tested
4 Not applicable to latched A2 1 These signals change only on falling T
5 For write cycle followed by read cycle
6 Operating conditions for 25 MHz are 0 C to
RELATIVE TIMINGS
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
Symbol
LHLL
AVLL
PLLL
LLAX
LLWL
LLRL
RHLH
WHLH
AFRL
RLRH
WLWH
RHAV
WHDX
WHDEX
WHPH
RHPH
PHPL
DXDL
OVRH
RHOX
ALE Rising to ALE Falling
Address Valid to ALE Falling
Chip Selects Valid to ALE Falling
Address Hold from ALE Falling
ALE Falling to WR Falling
ALE Falling to RD Falling
RD Rising to ALE Rising
WR Rising to ALE Rising
Address Float to RD Falling
RD Falling to RD Rising
WR Falling to WR Rising
RD Rising to Address Active
Output Data Hold after WR Rising
WR Rising to DEN Rising
WR Rising to Chip Select Rising
RD Rising to Chip Select Rising
CS Inactive to CS Active
DEN Inactive to DT R Low
ONCE (UCS LCS) Active to RESIN Rising
ONCE (UCS LCS) to RESIN Rising
(Continued)
Parameter
a
70 C V
CC
e
5 0V
80C186EA 80C188EA 80L186EA 80L188EA
g
10%
(2 T)
(2 T)
1
T
T
T
T
T
T
T
T
T
T
T
T
T
T
Min
b
b
b
0
0
T
T
b
b
b
b
b
b
b
b
b
b
b
b
b
15
15
15
10
10
10
15
15
10
10
10
10
10
10
5
5
Max
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
1 4
1 4
1
1
1
1
1
2
2
1
1
5
3
3
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