GC5325SEK Datasheet, PDF (16/24 Pages) Texas Instruments – GC5325 Wideband Digital Predistortion Transmit Processor

GC5325
SLWS215 – JANUARY 2009 .............................................................................................................................................................................................. www.ti.com
MPU SWITCHING CHARACTERISTICS (READ)
t_su(AD)
t_su(CEB)
t_su(OEB)
t_d(RD)
t_h(RD)
t_HIGH(RD)
t_Z(RD)
PARAMETER
ADDR setup time to RDB↓
CEB setup time to RDB↓
OEB setup time to RDB↓
DATA valid time after RDB↓
ADDR hold time to RDB↑
OEB, CEB hold time to RDB↑
OEB hold time to RDB↑
Time RDB must remain HIGH between READs.
DATA goes high-impedance after OEB↑ or RDB↑.
(1) Controlled by design and process and not directly tested
TEST CONDITIONS
WRB is HIGH.
WRB is HIGH.
WRB is HIGH.
WRB is HIGH.
WRB is HIGH.
WRB is HIGH⁽¹⁾.
WRB is HIGH⁽¹⁾.
MIN MAX UNIT
5
ns
7
ns
2
ns
14
ns
2
ns
0
2
7
ns
7
ns
RDB
WRB
OEB
CEB
ADDR
t_su(OEB)
t_su(CEB)
t_su(AD)
t_HIGH(RD)
t_h(OEB)
DATA
3-State
t_d(RD)
t_h(RD)
Figure 6. MPU READ Timing Specifications
t_Z(RD)
T0287-01
16
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