AS7C3128PFS36AP-3.5TQC Просмотр технического описания (PDF) - Alliance Semiconductor
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AS7C3128PFS36AP-3.5TQC Datasheet PDF : 9 Pages
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High-performance
4Mb synchronous
CMOS SRAM
AS7C3128PFS32/36A
®
128K × 32/36 synchronous SRAM
Advance information
Features
• Organization: 131,072 words × 32 or 36 bits
• Fast clock speeds to 166 MHz in LVTTL/LVCMOS
• Fast clock to data access: 3.5/3.8/4/5 ns
• Fast OE access time: 3.5/3.5/3.8/4 ns
• Fully synchronous register-to-register operation
• Single register ‘flow-through’ mode
• Single cycle de-select
• Pentium® compatible architecture and timing
• Byte write enables
• Clock enable for operation hold
• Multiple chip enables for easy expansion
• 3.3 core power supply
• 2.5V or 3.3V I/O operation with separate VDDQ
• Automatic power down: 10 mW typical standby power
• NTD™ pipeline architecture available
(AS7C3128KNTD32/36)
• Synchronous and asynchronous output enable control
• Economical 100-pin TQFP package
Logic block diagram
lbo
clk
adv
adsc
adsp
a[16:0]
clk
ce
q0
burst logic
128k×32/36
clr
q1
17
d
q 17 15 17
ce
clk
address
register
memory
array
gwe
bwe
bwd
bwc
bwb
bwa
ce0
ce1
ce2
zz
power
down
d dqd q
byte write
clkregisters
d dqc q
byte write
clkregisters
d dqb q
byte write
clkregisters
d dqa q
byte write
clkregisters
d enable q
ce register
clk
d enable q
delay
register
clk
36
36
4
oe
output
registers
clk le
input
registers
clk
oe
36
ft data [35:0]
Pin arrangement
DQPc/NC 1
DQc 2
DQc 3
VDDQ 4
VSSQ 5
DQc 6
DQc 7
DQc 8
DQc 9
VSSQ 10
VDDQ 11
DQc 12
DQc 13
FT 14
VDD 15
VDD 16
VSS 17
DQd 18
DQd 19
VDDQ 20
VSSQ 21
DQd 22
DQd 23
DQd 24
DQd 25
VSSQ 26
VDDQ 27
DQd 28
DQd 29
DQPd/NC 30
TQFP 14x20mm
80 DQPb/NC
79 DQb
78 DQb
77 VDDQ
76 VSSQ
75 DQb
74 DQb
73 DQb
72 DQb
71 VSSQ
70 VDDQ
69 DQb
68 DQb
67 VSS
66 VDD
65 VDD
64 ZZ
63 DQa
62 DQa
61 VDDQ
60 VSSQ
59 DQa
58 DQa
57 DQa
56 DQa
55 VSSQ
54 VDDQ
53 DQa
52 DQa
51 DQPa/NC
Note: Pins 1,30,51,80 are NC for ×32
Selection guide
Minimum cycle time
Maximum clock frequency
Maximum pipelined clock access
time
Maximum operating current
Maximum standby current
Maximum CMOS standby current
(DC)
AS7C3128PFS32/36A AS7C3128PFS32/36A AS7C3128PFS32/36A AS7C3128PFS32/36A
3.5
-3.8
-4
-5
Units
6
6.7
7.5
10
ns
166.7
150
133.3
100
MHz
3.5
3.8
4
5
ns
350
325
300
250
mA
60
60
60
60
mA
5
5
5
5
mA
6/8/00
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