TMS416160, TMS416160P, TMS418160, TMS418160P

TMS426160, TMS426160P, TMS428160, TMS428160P

1048576-WORD BY 16-BIT HIGH-SPEED DRAMS

SMKS160C – MAY 1995 – REVISED NOVEMBER 1995

11

POST OFFICE BOX 1443

TMS428160 / P

electrical characteristics over recommended ranges of supply voltage and operating free-air

conditions (unless otherwise noted) (continued)

PARAMETER

TEST CONDITIONS†

’428160 - 60

’428160P - 60

’428160 -70

’428160P -70

’428160 - 80

’428160P - 80

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

VOH

High-level

output

IOH = – 2 mA

LVTTL

2.4

2.4

2.4

V

VOH

output

voltage

IOH = – 100 µA

LVCMOS

VCC – 0.2

VCC – 0.2

VCC – 0.2

V

VOL

Low-level

IOL = 2 mA

LVTTL

0.4

0.4

0.4

V

VOL

output voltage

IOL = 100 µA

LVCMOS

0.2

0.2

0.2

V

II

Input current

(leakage)

VCC = 3.6 V,

VI = 0 V to 3.9 V,

All others = 0 V to VCC

± 10

± 10

± 10

µA

IO

Output current

(leakage)

VCC = 3.6 V,

VO = 0 V to VCC,

xCAS high

± 10

± 10

± 10

µA

ICC1‡§

Read- or write-

cycle current

VCC = 3.6 V,

Minimum cycle

190

180

170

mA

Standby

VIH = 2 V (LVTTL),

After 1 memory cycle,

RAS and xCAS high

1

1

1

mA

ICC2

Standby

current

VIH = VCC – 0.2 V

(LVCMOS),

’428160

500

500

500

µA

(),

After 1 memory cycle,

RAS and xCAS high

’428160P

200

200

200

µA

ICC3§

Average

refresh current

(RAS-only

refresh

or CBR)

VCC = 3.6 V,

Minimum cycle,

RAS cycling,

xCAS high (RAS-only refresh)

RAS low after xCAS low (CBR)

190

180

170

mA

ICC4‡¶

Average page

current

VCC = 3.6 V,

tPC = MIN,

RAS low,

xCAS cycling

100

90

80

mA

ICC6#

Self-refresh

current

xCAS < 0.2 V,

RAS < 0.2 V,

Measured after tRASS min

250

250

250

µA

ICC10#

Battery

back-up

operating

current

(equivalent

refresh time is

128 ms),

CBR only

tRC = 125 µs,

tRAS ≤ 300 ns,

VCC – 0.2 V ≤ VIH ≤ 3.9 V,

0 V

≤ VIL ≤ 0.2 V, W and OE = VIH,

Address and data stable

350

350

350

µA

† For conditions shown as MIN / MAX, use the appropriate value specified in the timing requirements.

‡ Measured with outputs open

§ Measured with a maximum of one address change while RAS = VIL

¶ Measured with a maximum of one address change while xCAS = VIH

# For TMS428160P only