OR2C04A Datasheet, PDF (136/192 Pages) List of Unclassifed Manufacturers – Field-Programmable Gate Arrays

ORCA Series 2 FPGAs
Data Sheet
June 1999
Timing Characteristics (continued)
Table 34A. OR2CxxA and OR2TxxA Ripple Mode PFU Timing Characteristics
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.
Speed
Parameter
Symbol
-2
-3
-4
-5
-6
-7
Unit
Min Max Min Max Min Max Min Max Min Max Min Max
Ripple Setup Times
(TJ = +85 °C, VDD = min):
Operands to Clock (A[3:0], B[3:0] to CK)
Bitwise Operands to Clock
(A[i], B[i] to CK at F[i])
Carry-in from Fast Carry to Clock
(CIN to CK)
Carry-in from General Routing to Clock
(B4 to CK)
Add/Subtract to Clock (A4 to CK)
RIP_SET 6.7 — 5.0 — 3.7 — 3.3 — 2.8 — 2.5 — ns
FRIP_SET 2.4 — 1.7 — 1.3 — 1.2 — 1.0 — 0.9 — ns
CIN_SET 4.0 — 3.2 — 1.9 — 1.7 — 1.4 — 1.3 — ns
B4_SET 4.0 — 3.2 — 1.9 — 1.7 — 1.4 — 1.3 — ns
AS_SET 8.2 — 5.6 — 4.3 — 3.9 — 3.2 — 3.1 — ns
Ripple Hold Times (TJ = all, VDD = all): All
TH
0.0 — 0.0 — 0.0 — 0.0 — 0.0 — 0.0 — ns
Ripple Delays (TJ = 85 °C, VDD = min):
Operands to Carry-out (A[3:0], B[3:0]
RIP_CODEL — 5.4 — 3.8 — 3.3 — 2.6 — 2.1 — 1.8 ns
to COUT)
Operands to Carry-out (A[3:0], B[3:0]
RIP_O4DEL — 6.9 — 4.8 — 4.2 — 3.4 — 2.6 — 2.4 ns
to O4)
Operands to PFU Out (A[3:0], B[3:0]
RIP_DEL — 8.2 — 6.0 — 4.7 — 3.8 — 3.2 — 2.8 ns
to F[3:0])
Bitwise Operands to PFU Out (A[i], B[i] FRIP_DEL — 4.0 — 2.8 — 2.1 — 1.7 — 1.6 — 1.5 ns
to F[i])
Carry-in from Fast Carry to Carry-out
CIN_CODEL — 1.9 — 1.6 — 1.1 — 0.9 — 0.7 — 0.6 ns
(CIN to COUT)
Carry-in from Fast Carry to Carry-out
CIN_O4DEL — 3.5 — 2.6 — 2.1 — 1.7 — 1.3 — 1.1 ns
(CIN to O4)
Carry-in from Fast Carry to PFU Out
CIN_DEL — 5.6 — 4.2 — 2.9 — 2.3 — 2.2 — 1.7 ns
(CIN to F[3:0])
Carry-in from General Routing to Carry- B4_CODEL — 1.9 — 1.6 — 1.1 — 0.9 — 0.7 — 0.6 ns
out (B4 to COUT)
Carry-in from General Routing to Carry- B4_O4DEL — 3.5 — 2.6 — 2.1 — 1.7 — 1.3 — 1.1 ns
out (B4 to O4)
Carry-in from General Routing to PFU Out B4_DEL — 5.6 — 4.2 — 2.9 — 2.3 — 2.2 — 2.1 ns
(B4 to F[3:0])
Add/Subtract to Carry-out (A4 to COUT) AS_CODEL — 6.1 — 4.5 — 3.9 — 3.1 — 2.5 — 2.3 ns
Add/Subtract to Carry-out (A4 to O4)
AS_O4DEL — 7.6 — 5.6 — 4.9 — 3.9 — 3.1 — 2.8 ns
Add/Subtract to PFU Out (A4 to F[3:0])
AS_DEL — 9.7 — 6.8 — 5.3 — 4.3 — 3.5 — 3.1 ns
Notes:
The new 4 x 1 multiplier and 4-bit comparator submodes use the appropriate ripple mode timing shown above.
Speed grades of -5, -6, and -7 are for OR2TxxA devices only.
136
Lucent Technologies Inc.