TC9446FG Datasheet, PDF (35/41 Pages) Toshiba Semiconductor – Audio Digital Processor for Decode of Dolby Digital (AC-3), MPEG2 Audio

Characteristics
Symbol
Test
Circuit
Test Condition
TC9446FG
Min Typ. Max Unit
External RAM Memory Interface (WR, OE, CE, IO0 to 7, AD0 to 16)
(1) Memory read input/output
Address setup time
Address hole time
Pre-charge time
Read cycle width
Until read end from chip select
OE access time of external SRAM
CE access time of external SRAM
Output data hold time of external
SRAM
Address access time of external
SRAM
CE disable time of external SRAM
t_ASR
t_AHR
t_PCR
t_RC
t_CR
t_OE
t_CO
t_OH
t_ACC
t_COD
⎯ C_L = 30 pF, 75 MIPS operating ⎯
14
⎯
ns
⎯ C_L = 30 pF, 75 MIPS operating ⎯
0
⎯
ns
⎯ C_L = 30 pF, 75 MIPS operating 14
⎯
⎯
ns
⎯ C_L = 30 pF, 75 MIPS operating 27
⎯
⎯
ns
C_L = 30 pF, 75 MIPS operating
27
⎯
⎯
8 bit, one time access
⎯ ^{CL = 30 pF, 75 MIPS operating} 54
⎯
⎯
ns
16 bit, two times access
C_L = 30 pF, 75 MIPS operating
80
⎯
⎯
24 bit, three times access
⎯ C_L = 30 pF, 75 MIPS operating ⎯
⎯
15
ns
⎯ C_L = 30 pF, 75 MIPS operating ⎯
⎯
15
ns
⎯ C_L = 30 pF, 75 MIPS operating ⎯
0
⎯
ns
⎯ C_L = 30 pF, 75 MIPS operating ⎯
⎯
15
ns
⎯ C_L = 30 pF, 75 MIPS operating ⎯
⎯
14
ns
(2) Memory write output
Address setup time
WR pulse width
Address hold time
Pre-charge time
Write cycle width
t_ASW
t_WP
t_AHW
t_PCW
t_WC
Until write end from chip select
t_CW
Output data setup time
Output data hold time
OE setup time
OE hold time
t_DS
t_DH
t_OES
t_OEH
⎯ C_L = 30 pF, 75 MIPS operating ⎯
14
⎯
ns
⎯ C_L = 30 pF, 75 MIPS operating 17
⎯
⎯
ns
⎯ C_L = 30 pF, 75 MIPS operating ⎯
0
⎯
ns
⎯ C_L = 30 pF, 75 MIPS operating 14
⎯
⎯
ns
⎯ C_L = 30 pF, 75 MIPS operating 27
⎯
⎯
ns
C_L = 30 pF, 75 MIPS operating
27
⎯
⎯
8 bit, one time access
⎯ ^{CL = 30 pF, 75 MIPS operating} 54
⎯
⎯
ns
16 bit, two times access
C_L = 30 pF, 75 MIPS operating
80
⎯
⎯
24 bit, three times access
⎯ C_L = 30 pF, 75 MIPS operating ⎯
23
⎯
ns
⎯ C_L = 30 pF, 75 MIPS operating ⎯
4
⎯
ns
⎯ C_L = 30 pF, 75 MIPS operating ⎯
0
⎯
ns
⎯ C_L = 30 pF, 75 MIPS operating ⎯
0
⎯
ns
35
2005-09-28