GM71C17800C
GM71CS17800CL
2,097,152 WORDS x 8 BIT
CMOS DYNAMIC RAM
Description
Features
The GM71C(S)17800C/CL is the new
generation dynamic RAM organized 2,097,152
x 8 bit. GM71C(S)17800C/CL has realized
higher density, higher performance and various
functions by utilizing advanced CMOS process
technology. The GM71C(S)17800C/CL offers
Fast Page Mode as a high speed access mode.
Multiplexed address inputs permit the
GM71C(S)17800C/CL to be packaged in
standard 400 mil 28pin plastic SOJ, and standard
400mil 28 pin plastic TSOP II. The package size
provides high system bit densities and is
compatible with widely available automated
testing and insertion equipment.
* 2,097,152 Words x 8 Bit Organization
* Fast Page Mode Capability
* Single Power Supply (5V+/-10%)
* Fast Access Time & Cycle Time
(Unit: ns)
tRAC
tCAC
t
RC
tPC
50
13
90
35
GM71C(S)17800C/CL-5
60
70
15 110
18 130
40
45
GM71C(S)17800C/CL-6
GM71C(S)17800C/CL-7
* Low Power
Active : 715/660/605mW (MAX)
Standby : 11mW (CMOS level : MAX)
0.83mW (L-version : MAX)
* RAS Only Refresh, CAS before RAS Refresh,
Hidden Refresh Capability
* All inputs and outputs TTL Compatible
* 2048 Refresh Cycles/32ms
* 2048 Refresh Cycles/128ms (L- version)
* Battery Back Up Operation (L- version)
* Self Refresh Operation (L-version)
Pin Configuration
28 SOJ
28 TSOP II
1
2
3
4
5
6
28
27
1
2
3
4
5
6
28
27
VSS
VSS
VSS
VSS
I/O0
I/O1
I/O7
I/O0
I/O1
I/O7
26 I/O6
26 I/O6
25
24
23
25
24
23
I/O2
I/O3
I/O5
I/O4
CAS
I/O2
I/O3
I/O5
I/O4
CAS
WE
RAS
NC
WE
7
22
21
20
19
18
17
16
15
7
22
OE
A9
A8
A7
A6
A5
A4
VSS
OE
RAS
NC
8
8
21 A9
9
9
20
A10
A0
A10
A0
A8
10
11
12
13
14
10
11
12
13
14
19
18
17
16
15
A7
A6
A5
A4
VSS
A1
A1
A2
A2
A3
A3
VCC
VCC
(Top View)
Rev 0.1 / Apr’01