參數(shù)資料
型號: CY37512P256-125BGC
英文描述: Electrically-Erasable Complex PLD
中文描述: 電可擦除復雜可編程邏輯器件
文件頁數(shù): 19/66頁
文件大小: 2069K
代理商: CY37512P256-125BGC
Ultra37000 CPLD Family
Ultra37000: December 13, 1996
Revision: March 15, 2001
19
Switching Characteristics
Over the Operating Range
[11]
Parameter
Combinatorial Mode Parameters
t
PD[12, 13, 14]
t
PDL[12, 13, 14]
t
PDLL[12, 13, 14]
t
EA[12, 13, 14]
t
ER[10, 12]
Input Register Parameters
t
WL
t
WH
t
IS
t
IH
t
ICO[12, 13, 14]
t
ICOL[12, 13, 14]
Synchronous Clocking Parameters
t
CO[13, 14]
t
S[12]
t
H
t
CO2[12, 13, 14]
Description
Unit
Input to Combinatorial Output
Input to Output Through Transparent Input or Output Latch
Input to Output Through Transparent Input and Output Latches
Input to Output Enable
Input to Output Disable
ns
ns
ns
ns
ns
Clock or Latch Enable Input LOW Time
[8]
Clock or Latch Enable Input HIGH Time
[8]
Input Register or Latch Set-Up Time
Input Register or Latch Hold Time
Input Register Clock or Latch Enable to Combinatorial Output
Input Register Clock or Latch Enable to Output Through Transparent Output Latch
ns
ns
ns
ns
ns
ns
Synchronous Clock (CLK
0
, CLK
1
, CLK
2
, or CLK
3
) or Latch Enable to Output
Set-Up Time from Input to Sync. Clk (CLK
0
, CLK
1
, CLK
2
, or CLK
3
) or Latch Enable
Register or Latch Data Hold Time
Output Synchronous Clock (CLK
0
, CLK
1
, CLK
2
, or CLK
3
) or Latch Enable to Combinatorial Output
Delay (Through Logic Array)
Output Synchronous Clock (CLK
0
, CLK
1
, CLK
2
, or CLK
3
) or Latch Enable to Output Synchronous
Clock (CLK
0
, CLK
1
, CLK
2
, or CLK
3
) or Latch Enable (Through Logic Array)
Set-Up Time from Input Through Transparent Latch to Output Register Synchronous Clock (CLK
0
CLK
1
, CLK
2
, or CLK
3
) or Latch Enable
Hold Time for Input Through Transparent Latch from Output Register Synchronous Clock (CLK
0
,
CLK
1
, CLK
2
, or CLK
3
) or Latch Enable
Product Term Clocking Parameters
t
COPT[12, 13, 14]
Product Term Clock or Latch Enable (PTCLK) to Output
t
SPT
Set-Up Time from Input to Product Term Clock or Latch Enable (PTCLK)
t
HPT
Register or Latch Data Hold Time
t
ISPT[12]
Set-Up Time for Buried Register used as an Input Register from Input to Product Term Clock or
Latch Enable (PTCLK)
t
IHPT
Buried Register Used as an Input Register or Latch Data Hold Time
t
CO2PT[12, 13, 14]
Product Term Clock or Latch Enable (PTCLK) to Output Delay (Through Logic Array)
ns
ns
ns
ns
t
SCS[12]
ns
t
SL[12]
ns
t
HL
ns
ns
ns
ns
ns
ns
ns
Pipelined Mode Parameters
t
ICS[12]
Input Register Synchronous Clock (CLK
0
, CLK
1
, CLK
2
, or CLK
3
) to Output Register Synchronous
Clock (CLK
0
, CLK
1
, CLK
2
, or CLK
3
)
ns
Notes:
11. All AC parameters are measured with two outputs switching and 35-pF AC Test Load.
12. Logic Blocks operating in Low-Power Mode, add t
to this spec.
13. Outputs using Slow Output Slew Rate, add t
SLEW
to this spec.
14. When V
CCO
= 3.3V, add t
3.3IO
to this spec.
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