M5M4V4S40CTP-12 Datasheet, PDF (1/45 Pages) Mitsubishi Electric Semiconductor – 4M (2-BANK x 131072-WORD x 16-BIT) Synchronous DRAM

SDRAM (Rev. 0.3)
Feb ‘97 Preliminary
MITSUBISHI LSIs
M5M4V4S40CTP-12, -15
4M (2-BANK x 131072-WORD x 16-BIT) Synchronous DRAM
PRELIMINARY
Some of contents are described for general products
and are subject to change without notice.
DESCRIPTION
PIN CONFIGURATION
The M5M4V4S40CTP is a 2-bank x 131,072-word x 16-bit
(TOP VIEW)
Synchronous DRAM, with LVTTL interface. All inputs and _{Vdd 1}
outputs are referenced to the rising edge of CLK. The
DQ0
2
50
Vss
49
DQ15
M5M4V4S40CTP achieves very high speed data rates up to ^{DQ1 3}
83MHz, and is suitable for main memory or graphic memory
VssQ
DQ2
4
5
in computer systems.
DQ3
6
48
DQ14
47
VssQ
46
DQ13
45
DQ12
VddQ 7
44
VddQ
DQ4
8
43
DQ11
FEATURES
DQ5
9
VssQ 10
DQ6
11
42
DQ10
41
VssQ
40
DQ9
- Single 3.3v±0.3v power supply
- Clock frequency 83MHz / 67MHz
DQ7
12
VddQ 13
DQML 14
39
DQ8
38
VddQ
37
NC
- Fully synchronous operation referenced to clock rising edge ^{/WE 15}
- Dual bank operation controlled by BA(Bank Address)
- /CAS latency- 1/2/3 (programmable)
/CAS
16
/RAS
17
/CS
18
- Burst length- 1/2/4/8/FP (programmable)
BA
19
36
DQMU
35
CLK
34
CKE
33
NC
32
NC
- Sequential and interleave burst (programmable)
- Byte control by DQMU and DQML
- Random column access
- Auto precharge / All bank precharge controlled by A8
- Auto and self refresh
A8
20
A0
21
A1
22
A2
23
A3
24
Vdd
25
31
NC
30
A7
29
A6
28
A5
27
A4
26
Vss
- 1024 refresh cycles /16.4ms
- LVTTL Interface
- 400-mil, 50-pin Thin Small Outline Package
(TSOP II) with 0.8mm lead pitch
CLK
CKE
/CS
/RAS
: Master Clock
: Clock Enable
: Chip Select
: Row Address Strobe
/CAS
: Column Address Strobe
/WE
: Write Enable
DQ0-15
: Data I/O
DQMU
: Upper Output Disable/ Write Mask
DQML
: Lower Output Disable/ Write Mask
A0-8
: Address Input
BA
: Bank Address
Max.
CLK Access
Frequency
Time
Vdd
VddQ
Vss
: Power Supply
: Power Supply for Output
: Ground
M5M4V4S40CTP-12
83MHz
8ns
VssQ
: Ground for Output
M5M4V4S40CTP-15
67MHz
9ns
MITSUBISHI ELECTRIC
1