Figure 76. asynchronous reset / preset – ST & T UPSD3212C User Manual

Page 147

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uPSD3212A, uPSD3212C, uPSD3212CV

Table 126. CPLD Macrocell Synchronous Clock Mode Timing (3V Devices)

Note: 1. Fast Slew Rate output available on PA3-PA0, PB3-PB0, and PD2-PD1. Decrement times by given amount.

2. CLKIN (PD1) t

CLCL

= t

CH

+ t

CL

.

Figure 76. Asynchronous RESET / Preset

Figure 77. Asynchronous Clock Mode Timing (Product Term Clock)

Symbol

Parameter

Conditions

Min

Max

PT

Aloc

Turbo

Off

Slew

rate

(1)

Unit

f

MAX

Maximum Frequency
External Feedback

1/(t

S

+t

CO

)

22.2

MHz

Maximum Frequency
Internal Feedback (f

CNT

)

1/(t

S

+t

CO

–10)

28.5

MHz

Maximum Frequency
Pipelined Data

1/(t

CH

+t

CL

)

40.0

MHz

t

S

Input Setup Time

20

+ 4

+ 20

ns

t

H

Input Hold Time

0

ns

t

CH

Clock High Time

Clock Input

15

ns

t

CL

Clock Low Time

Clock Input

10

ns

t

CO

Clock to Output Delay

Clock Input

25

– 6

ns

t

ARD

CPLD Array Delay

Any

macrocell

25

+ 4

ns

t

MIN

Minimum Clock Period

(2)

t

CH

+t

CL

25

ns

tARP

REGISTER

OUTPUT

tARPW

RESET/PRESET

INPUT

AI02864

tCHA

tCLA

tCOA

tHA

tSA

CLOCK

INPUT

REGISTERED

OUTPUT

AI02859

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