Datasheet

Zynq-7000 All Programmable SoC (Z-7007S, Z-7012S, Z-7014S, Z-7010, Z-7015, and Z-7020)
DS187 (v1.19) October 3, 2016 www.xilinx.com
Product Specification 46
Block RAM and FIFO Switching Characteristics
Table 65: Block RAM and FIFO Switching Characteristics
Symbol Description
Speed Grade
Units
-3 -2 -1C/-1I/-1LI -1Q
Block RAM and FIFO Clock to Out Delays
T
RCKO_DO
and
T
RCKO_DO_REG
(1)
Clock CLK to DOUT output (without output
register)
(2)(3)
1.85 2.13 2.46 2.46 ns, Max
Clock CLK to DOUT output (with output
register)
(4)(5)
0.64 0.74 0.89 0.89 ns, Max
T
RCKO_DO_ECC
and
T
RCKO_DO_ECC_REG
Clock CLK to DOUT output with ECC (without
output register)
(2)(3)
2.77 3.04 3.84 3.84 ns, Max
Clock CLK to DOUT output with ECC (with
output register)
(4)(5)
0.73 0.81 0.94 0.94 ns, Max
T
RCKO_DO_CASCOUT
and
T
RCKO_DO_CASCOUT_REG
Clock CLK to DOUT output with cascade
(without output register)
(2)
2.61 2.88 3.30 3.30 ns, Max
Clock CLK to DOUT output with cascade (with
output register)
(4)
1.16 1.28 1.46 1.46 ns, Max
T
RCKO_FLAGS
Clock CLK to FIFO flags outputs
(6)
0.76 0.87 1.05 1.05 ns, Max
T
RCKO_POINTERS
Clock CLK to FIFO pointers outputs
(7)
0.94 1.02 1.15 1.15 ns, Max
T
RCKO_PARITY_ECC
Clock CLK to ECCPARITY in ECC encode only
mode
0.78 0.85 0.94 0.94 ns, Max
T
RCKO_SDBIT_ECC
and
T
RCKO_SDBIT_ECC_REG
Clock CLK to BITERR (without output register) 2.56 2.81 3.55 3.55 ns, Max
Clock CLK to BITERR (with output register) 0.68 0.76 0.89 0.89 ns, Max
T
RCKO_RDADDR_ECC
and
T
RCKO_RDADDR_ECC_REG
Clock CLK to RDADDR output with ECC
(without output register)
0.75 0.88 1.07 1.07 ns, Max
Clock CLK to RDADDR output with ECC
(with output register)
0.84 0.93 1.08 1.08 ns, Max
Setup and Hold Times Before/After Clock CLK
T
RCCK_ADDRA
/
T
RCKC_ADDRA
ADDR inputs
(8)
0.45/0.31 0.49/0.33 0.57/0.36 0.57/0.52 ns, Min
T
RDCK_DI_WF_NC
/
T
RCKD_DI_WF_NC
Data input setup/hold time when block RAM is
configured in WRITE_FIRST or NO_CHANGE
mode
(9)
0.58/0.60 0.65/0.63 0.74/0.67 0.74/0.67 ns, Min
T
RDCK_DI_RF
/
T
RCKD_DI_RF
Data input setup/hold time when block RAM is
configured in READ_FIRST mode
(9)
0.20/0.29 0.22/0.34 0.25/0.41 0.25/0.50 ns, Min
T
RDCK_DI_ECC
/
T
RCKD_DI_ECC
DIN inputs with block RAM ECC in standard
mode
(9)
0.50/0.43 0.55/0.46 0.63/0.50 0.63/0.50 ns, Min
DIN inputs with block RAM ECC encode only
(9)
0.93/0.43 1.02/0.46 1.17/0.50 1.17/0.50 ns, Min
DIN inputs with FIFO ECC in standard mode
(9)
1.04/0.56 1.15/0.59 1.32/0.64 1.32/0.64 ns, Min
T
RDCK_DI_ECCW
/
T
RCKD_DI_ECCW
DIN inputs with block RAM ECC encode only
(9)
0.93/0.43 1.02/0.46 1.17/0.50 1.17/0.50 ns, Min
T
RDCK_DI_ECC_FIFO
/
T
RCKD_DI_ECC_FIFO
DIN inputs with FIFO ECC in standard mode
(9)
1.04/0.56 1.15/0.59 1.32/0.64 1.32/0.64
ns, Min
T
RCCK_INJECTBITERR
/
T
RCKC_INJECTBITERR
Inject single/double bit error in ECC mode 0.58/0.35 0.64/0.37 0.74/0.40 0.74/0.52 ns, Min