![](http://datasheet.mmic.net.cn/170000/AS7C33512NTD18A-166BC_datasheet_8419638/AS7C33512NTD18A-166BC_12.png)
AS7C33512NTD16A
AS7C33512NTD18A
3/11/02;
v.1.8H
Alliance Semiconductor
12 of 12
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1. Alliance Semiconductor SRAM prefix
2. Operating voltage: 33=3.3V
3. Organization: 512=512K
4. NTD = No-Turn Around Delay. Pipeline-Flowthrough (each device works in both modes)
5. Organization: 16=x16; 18=x18
6. Production version: A=first production version
7. Clock speed (MHz); “H” indicates faster clock access time.
8. Package type: TQ=TQFP; B=BGA
9. Operating temperature: C=Commercial (0
° C to 70° C); I=Industrial (-40° C to 85° C)
Ordering information
Package
&
Width
-166 H MHz
–166 MHz
–150 MHz
–133 MHz
–100 MHz
TQFP x16
AS7C33512NTD16A-
166HTQC
AS7C33512NTD16A-
166TQC
AS7C33512NTD16A-
150TQC
AS7C33512NTD16A-
133TQC
AS7C33512NTD16A-
100TQC
TQFP x16
AS7C33512NTD16A-
166HTQI
AS7C33512NTD16A-
166TQI
AS7C33512NTD16A-
150TQI
AS7C33512NTD16A-
133TQI
AS7C33512NTD16A-
100TQI
TQFP x18
AS7C33512NTD18A-
166HTQC
AS7C33512NTD18A-
166TQC
AS7C33512NTD18A-
150TQC
AS7C33512NTD18A-
133TQC
AS7C33512NTD18A-
100TQC
TQFP x18
AS7C33512NTD18A-
166HTQI
AS7C33512NTD18A-
166TQI
AS7C33512NTD18A-
150TQI
AS7C33512NTD18A-
133TQI
AS7C33512NTD18A-
100TQI
BGA x16
AS7C33512NTD16A-
166HBC
AS7C33512NTD16A-
166BC
AS7C33512NTD16A-
150BC
AS7C33512NTD16A-
133BC
AS7C33512NTD16A-
100BC
BGA x16
AS7C33512NTD16A-
166HBI
AS7C33512NTD16A-
166BI
AS7C33512NTD16A-
150BI
AS7C33512NTD16A-
133BI
AS7C33512NTD16A-
100BI
BGA x18
AS7C33512NTD18A-
166HBC
AS7C33512NTD18A-
166BC
AS7C33512NTD18A-
150BC
AS7C33512NTD18A-
133BC
AS7C33512NTD18A-
100BC
BGA x18
AS7C33512NTD18A-
166HBI
AS7C33512NTD18A-
166BI
AS7C33512NTD18A-
150BI
AS7C33512NTD18A-
133BI
AS7C33512NTD18A-
100BI
Part numbering guide
AS7C
33
512
NTD
16/18
A
–XXX (H)
TQ or B
C/I
1
23
45
678
9