DS1035 Datasheet, PDF (73/106 Pages) Dallas Semiconductor – 3-in-1 High.Speed Silicon Delay Line

DC and Switching Characteristics
MachXO2 Family Data Sheet
Flash Download Time^{1, 2}
Symbol
Parameter
Device
Typ.
LCMXO2-256
0.6
LCMXO2-640
1.0
LCMXO2-640U
1.9
LCMXO2-1200
1.9
t_REFRESH
POR to Device I/O Active
LCMXO2-1200U
1.4
LCMXO2-2000
1.4
LCMXO2-2000U
2.4
LCMXO2-4000
2.4
LCMXO2-7000
3.8
1. Assumes sysMEM EBR initialized to an all zero pattern if they are used.
2. The Flash download time is measured starting from the maximum voltage of POR trip point.
JTAG Port Timing Specifications
Symbol
f_MAX
t_BTCPH
t_BTCPL
t_BTS
t_BTH
t_BTCO
t_BTCODIS
t_BTCOEN
t_BTCRS
t_BTCRH
t_BUTCO
t_BTUODIS
t_BTUPOEN
Parameter
TCK clock frequency
TCK [BSCAN] clock pulse width high
TCK [BSCAN] clock pulse width low
TCK [BSCAN] setup time
TCK [BSCAN] hold time
TAP controller falling edge of clock to valid output
TAP controller falling edge of clock to valid disable
TAP controller falling edge of clock to valid enable
BSCAN test capture register setup time
BSCAN test capture register hold time
BSCAN test update register, falling edge of clock to valid output
BSCAN test update register, falling edge of clock to valid disable
BSCAN test update register, falling edge of clock to valid enable
Min.
—
20
20
10
8
—
—
—
8
20
—
—
—
Units
ms
ms
ms
ms
ms
ms
ms
ms
ms
Max.
25
—
—
—
—
10
10
10
—
—
25
25
25
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
3-34