CLB Distributed RAM Switching Characteristics (SLICEM Only)

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

Document ID
DS189
Release Date
2022-10-31
Revision
1.10 English
Table  28:   CLB Distributed RAM Switching Characteristics

Symbol

Description

VCCINT Operating Voltage and Speed Grade

Units

1.0V

0.95V

-2

-1

-1L

Sequential Delays

TSHCKO

Clock to A – B outputs.

1.09

1.32

1.32

ns, Max

TSHCKO_1

Clock to AMUX – BMUX outputs.

1.53

1.86

1.86

ns, Max

Setup and Hold Times Before/After Clock CLK

TDS_LRAM/TDH_LRAM

A – D inputs to CLK.

0.60/0.30

0.72/0.35

0.72/0.35

ns, Min

TAS_LRAM/TAH_LRAM

Address An inputs to clock.

0.30/0.60

0.37/0.70

0.37/0.70

ns, Min

Address An inputs through MUXs and/or carry logic to clock.

0.77/0.21

0.94/0.26

0.94/0.26

ns, Min

TWS_LRAM/TWH_LRAM

WE input to clock.

0.43/0.12

0.53/0.17

0.53/0.17

ns, Min

TCECK_LRAM/TCKCE_LRAM

CE input to CLK.

0.44/0.11

0.53/0.17

0.53/0.17

ns, Min

Clock CLK

TMPW_LRAM

Minimum pulse width.

1.13

1.25

1.25

ns, Min

TMCP

Minimum clock period.

2.26

2.50

2.50

ns, Min

Notes:

1.TSHCKO also represents the CLK to XMUX output. Refer to the timing report for the CLK to XMUX path.