CLB Switching Characteristics

Spartan-7 FPGAs Data Sheet: DC and AC Switching Characteristics (DS189)

Document ID
DS189
Release Date
2022-10-31
Revision
1.10 English
Table  27:   CLB Switching Characteristics

Symbol

Description

VCCINT Operating Voltage and Speed Grade

Units

1.0V

0.95V

-2

-1

-1L

Combinatorial Delays

TILO

An – Dn LUT address to A.

0.11

0.13

0.13

ns, Max

TILO_2

An – Dn LUT address to AMUX/CMUX.

0.30

0.36

0.36

ns, Max

TILO_3

An – Dn LUT address to BMUX_A.

0.46

0.55

0.55

ns, Max

TITO

An – Dn inputs to A – D Q outputs.

1.05

1.27

1.27

ns, Max

TAXA

AX inputs to AMUX output.

0.69

0.84

0.84

ns, Max

TAXB

AX inputs to BMUX output.

0.66

0.83

0.83

ns, Max

TAXC

AX inputs to CMUX output.

0.68

0.82

0.82

ns, Max

TAXD

AX inputs to DMUX output.

0.75

0.90

0.90

ns, Max

TBXB

BX inputs to BMUX output.

0.57

0.69

0.69

ns, Max

TBXD

BX inputs to DMUX output.

0.69

0.82

0.82

ns, Max

TCXC

CX inputs to CMUX output.

0.48

0.58

0.58

ns, Max

TCXD

CX inputs to DMUX output.

0.59

0.71

0.71

ns, Max

TDXD

DX inputs to DMUX output.

0.58

0.70

0.70

ns, Max

Sequential Delays

TCKO

Clock to AQ – DQ outputs.

0.44

0.53

0.53

ns, Max

TSHCKO

Clock to AMUX – DMUX outputs.

0.53

0.66

0.66

ns, Max

Setup and Hold Times of CLB Flip-Flops Before/After Clock CLK

TAS/TAH

AN – DN input to CLK on A – D flip-flops.

0.09/0.14

0.11/0.18

0.11/0.18

ns, Min

TDICK/TCKDI

AX – DX input to CLK on A – D flip-flops.

0.07/0.21

0.09/0.26

0.09/0.26

ns, Min

AX – DX input through MUXs and/or carry logic to CLK on A – D flip-flops.

0.66/0.09

0.81/0.11

0.81/0.11

ns, Min

TCECK_CLB/ TCKCE_CLB

CE input to CLK on A – D flip-flops.

0.17/0.00

0.21/0.01

0.21/0.01

ns, Min

TSRCK/TCKSR

SR input to CLK on A – D flip-flops.

0.43/0.04

0.53/0.05

0.53/0.05

ns, Min

Set/Reset

TSRMIN

SR input minimum pulse width.

0.78

1.04

1.04

ns, Min

TRQ

Delay from SR input to AQ – DQ flip-flops.

0.59

0.71

0.71

ns, Max

TCEO

Delay from CE input to AQ – DQ flip-flops.

0.58

0.70

0.70

ns, Max

FTOG

Toggle frequency (for export control).

1286

1098

1098

MHz