UPSD3254 STMICROELECTRONICS [STMicroelectronics], UPSD3254 Datasheet - Page 166

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

UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
Figure 86. ISC Timing
Table 138. ISC Timing (5V Devices)
Note: 1. For non-PLD Programming, Erase or in ISC By-pass Mode.
166/175
t
t
t
t
t
t
t
t
t
t
t
Symbol
ISCCF
ISCCH
ISCCL
ISCCFP
ISCCHP
ISCCLP
ISCPSU
ISCPH
ISCPCO
ISCPZV
ISCPVZ
2. For Program or Erase PLD only.
Clock (TCK, PC1) Frequency (except for PLD)
Clock (TCK, PC1) High Time (except for PLD)
Clock (TCK, PC1) Low Time (except for PLD)
Clock (TCK, PC1) Frequency (PLD only)
Clock (TCK, PC1) High Time (PLD only)
Clock (TCK, PC1) Low Time (PLD only)
ISC Port Set Up Time
ISC Port Hold Up Time
ISC Port Clock to Output
ISC Port High-Impedance to Valid Output
ISC Port Valid Output to High-Impedance
TCK
TDI/TMS
ISC OUTPUTS/TDO
ISC OUTPUTS/TDO
Parameter
t
ISCCH
t
ISCCL
t
ISCPSU
t
ISCPH
Conditions
(Note 1)
(Note 1)
(Note 1)
(Note 2)
(Note 2)
(Note 2)
t
t
t
ISCPCO
ISCPZV
ISCPVZ
Min
240
240
23
23
7
5
AI02865
Max
20
21
21
21
2
MHz
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns