UPSD3254 STMICROELECTRONICS [STMicroelectronics], UPSD3254 Datasheet - Page 156

• Manufacturer Part Number: UPSD3254
• Description: Flash Programmable System Devices with 8032 Microcontroller Core
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
Figure 78. Input to Output Disable / Enable
Table 120. CPLD Combinatorial Timing (5V Devices)
Note: 1. Fast Slew Rate output available on PA3-PA0, PB3-PB0, and PD2-PD1. Decrement times by given amount
Table 121. CPLD Combinatorial Timing (3V Devices)
Note: 1. Fast Slew Rate output available on PA3-PA0, PB3-PB0, and PD2-PD1. Decrement times by given amount
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t
t
t
t
t
t
t
t
t
t
t
t
Symbol
Symbol
PD
EA
ER
ARP
ARPW
ARD
PD
EA
ER
ARP
ARPW
ARD
(2)
(2)
2. t
2. t
output (80-pin package only)
output (80-pin package only)
PD
PD
for MCU address and control signals refers to delay from pins on Port 0, Port 2, RD WR, PSEN and ALE to CPLD combinatorial
for MCU address and control signals refers to delay from pins on Port 0, Port 2, RD WR, PSEN and ALE to CPLD combinatorial
CPLD Input Pin/Feedback to
CPLD Combinatorial Output
CPLD Input to CPLD Output
Enable
CPLD Input to CPLD Output
Disable
CPLD Register Clear or Preset
Delay
CPLD Register Clear or Preset
Pulse Width
CPLD Array Delay
CPLD Input Pin/Feedback to
CPLD Combinatorial Output
CPLD Input to CPLD Output
Enable
CPLD Input to CPLD Output
Disable
CPLD Register Clear or
Preset Delay
CPLD Register Clear or
Preset Pulse Width
CPLD Array Delay
ENABLE/DISABLE
Parameter
Parameter
INPUT TO
OUTPUT
INPUT
Conditions
Conditions
macrocell
macrocell
Any
Any
tER
Min
Min
10
25
Max
Max
tEA
20
21
21
21
11
40
43
43
40
25
Aloc
Aloc
+ 2
+ 2
+ 4
+ 4
PT
PT
AI02863
Turbo
Turbo
+ 10
+ 10
+ 10
+ 10
+ 10
+ 20
+ 20
+ 20
+ 20
+ 20
Off
Off
rate
rate
Slew
Slew
– 2
– 2
– 2
– 2
– 6
– 6
– 6
– 6
(1)
(1)
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns