OR2C04A datasheet(139/192 Pages) ETC

139 / 192 page

Data Sheet

June 1999

ORCA Series 2 FPGAs

Lucent Technologies Inc.

139

Timing Characteristics (continued)

Note: Speed grades of -5, -6, and -7 are for OR2TxxA devices only.

Table 36A. OR2CxxA and OR2TxxA Asynchronous Memory Write Characteristics (MA/MB Modes)

OR2CxxA Commercial: VDD = 5.0 V ± 5%, 0 °C

≤ TA ≤ 70 °C; OR2CxxA Industrial: VDD = 5.0 V ± 10%, –40 °C ≤ TA ≤ +85 °C.

OR2TxxA Commercial: VDD = 3.0 V to 3.6 V, 0 °C

≤ TA ≤ 70 °C; OR2TxxA Industrial: VDD = 3.0 V to 3.6 V, –40 °C ≤ TA ≤

+85 °C.

Parameter

Symbol

Speed

Unit

-2

-3

-4

-5

-6

-7

Min Max Min Max Min Max Min Max Min Max Min Max

Write Operation (TJ = 85 °C, VDD = min):

Write Cycle Time

Write Enable (WREN) Pulse Width (A4/B4)

TWC

TPW

9.3

3.0

—

7.8

2.5

—

6.3

2.0

—

5.7

1.8

—

5.2

1.7

—

5.1

1.6

—

Setup Time (TJ = 85 °C, VDD = min):

Address to WREN (A[3:0]/B[3:0] to A4/B4)

Data to WREN (WD[3:0] to A4/B4)

Address to WPE (A[3:0]/B[3:0] to C0)

Data to WPE (WD[3:0] to C0)

WPE to WREN (C0 to A4/B4)

MEM*_AWRSET

MEM*_DWRSET

MEM*_APWRSET

MEM*_DPWRSET

MEM*_WPESET

0.1

0.0

2.5

—

0.1

0.0

2.0

—

0.0

1.5

—

0.0

1.4

—

0.0

1.1

—

0.0

1.1

—

Hold Time (TJ = all, VDD = all):

Address from WREN (A[3:0]/B[3:0] from A4/B4)

Data from WREN (WD[3:0] from A4/B4)

Address from WPE (A[3:0/B[3:0] to C0)

Data from WPE (WD[3:0] to C0)

WPE from WREN (C0 from A4/B4)

MEM*_WRAHLD

MEM*_WRDHLD

MEM*_PWRAHLD

MEM*_PWRDHLD

MEM*_WPEHLD

2.4

3.8

3.9

0.0

—

1.7

2.0

3.3

3.4

0.0

—

1.8

1.9

2.8

2.9

0.0

—

1.6

1.5

2.5

2.6

0.0

—

1.6

2.4

0.0

—

1.5

1.6

2.3

0.0

—

Table 36B. OR2TxxB Asynchronous Memory Write Characteristics (MA/MB Modes)

OR2TxxB Commercial: VDD = 3.0 V to 3.6 V, 0 °C

≤ TA ≤ 70 °C; OR2TxxB Industrial: VDD = 3.0 V to 3.6 V, –40 °C ≤ TA ≤